All mothers are women, while some doctors may be women and some may be mothers.
Incorrect! Try again.
6Which diagram best represents Vehicles, Cars, and Bicycles?
Relating a given group diagrammatically
Easy
A.All three groups separate
B.Cars and Bicycles inside Vehicles
C.Cars inside Bicycles only
D.Vehicles inside Cars and Bicycles
Correct Answer: Cars and Bicycles inside Vehicles
Explanation:
Cars and bicycles are types of vehicles, so both groups belong inside the Vehicles group.
Incorrect! Try again.
7Which diagram best represents Fruits, Apples, and Mangoes?
Relating a given group diagrammatically
Easy
A.Apples and Mangoes inside Fruits
B.Fruits inside Apples
C.Apples inside Mangoes
D.All three groups must overlap completely
Correct Answer: Apples and Mangoes inside Fruits
Explanation:
Apples and mangoes are both types of fruits, so they are shown within the Fruits group.
Incorrect! Try again.
8Which diagram represents Teachers, Men, and Women when some teachers are men and some are women?
Relating a given group diagrammatically
Easy
A.Teachers overlapping both Men and Women
B.Teachers separate from Men and Women
C.Men inside Women only
D.Men and Women inside Teachers completely
Correct Answer: Teachers overlapping both Men and Women
Explanation:
Teachers can include both men and women, so the Teachers group overlaps with both groups.
Incorrect! Try again.
9Statements: All pens are stationery. Some stationery is expensive. Which conclusion is possible?
Possibility questions
Easy
A.All stationery is a pen
B.No stationery is expensive
C.Some pens may be expensive
D.No pen is stationery
Correct Answer: Some pens may be expensive
Explanation:
The statements do not rule out expensive pens, so some pens being expensive is possible.
Incorrect! Try again.
10Statements: All birds can fly. Penguins are birds. Which statement is logically possible based on these statements?
Possibility questions
Easy
A.All penguins can fly
B.Penguins are not animals
C.No penguin is a bird
D.Some birds are not birds
Correct Answer: All penguins can fly
Explanation:
If all birds can fly and penguins are birds, then it is possible that all penguins can fly.
Incorrect! Try again.
11Statements: Some books are novels. All novels are interesting. Which conclusion is possible?
Possibility questions
Easy
A.Some books are interesting
B.No book is interesting
C.No novel is a book
D.All books are novels
Correct Answer: Some books are interesting
Explanation:
The books that are novels must be interesting, so some books can be interesting.
Incorrect! Try again.
12Statements: No apples are oranges. Some fruits are apples. Which statement is possible?
Possibility questions
Easy
A.Some apples are oranges
B.No apples are fruits
C.All apples are oranges
D.Some fruits are not oranges
Correct Answer: Some fruits are not oranges
Explanation:
The apples that are fruits cannot be oranges, so some fruits are not oranges.
Incorrect! Try again.
13A is the mother of B. C is the father of A. How is C related to B?
Cracking jumbled-up descriptions
Easy
A.Uncle
B.Brother
C.Grandfather
D.Cousin
Correct Answer: Grandfather
Explanation:
C is A's father, and A is B's mother. Therefore, C is B's grandfather.
Incorrect! Try again.
14P is the brother of Q. Q is the sister of R. How is P related to R?
Cracking jumbled-up descriptions
Easy
A.Cousin
B.Uncle
C.Brother
D.Father
Correct Answer: Brother
Explanation:
P and Q are siblings, and Q and R are siblings. Therefore, P is R's brother.
Incorrect! Try again.
15M is the daughter of N. N is the wife of O. How is O related to M?
Cracking jumbled-up descriptions
Easy
A.Brother
B.Father
C.Uncle
D.Grandfather
Correct Answer: Father
Explanation:
N is M's mother and O is N's husband, so O is M's father.
Incorrect! Try again.
16A man says, "She is the daughter of my mother's only son." Who is the girl to the man?
Relation puzzles
Easy
A.Daughter
B.Niece
C.Sister
D.Mother
Correct Answer: Daughter
Explanation:
The mother's only son is the man himself, so the girl is his daughter.
Incorrect! Try again.
17Ravi is the son of Meena. Meena is the sister of Sita. How is Sita related to Ravi?
Relation puzzles
Easy
A.Cousin
B.Mother
C.Aunt
D.Sister
Correct Answer: Aunt
Explanation:
Sita is the sister of Ravi's mother, so Sita is Ravi's aunt.
Incorrect! Try again.
18Pointing to a man, Anu says, "He is the brother of my father's wife." How is the man related to Anu?
Relation puzzles
Easy
A.Maternal uncle
B.Brother
C.Cousin
D.Paternal uncle
Correct Answer: Maternal uncle
Explanation:
Anu's father's wife is her mother. Her mother's brother is her maternal uncle.
Incorrect! Try again.
19If means A is the father of B, what does mean?
Coded relations
Easy
A.P is the mother of Q
B.P is the brother of Q
C.Q is the father of P
D.P is the father of Q
Correct Answer: P is the father of Q
Explanation:
The symbol is defined as meaning that the first person is the father of the second person.
Incorrect! Try again.
20If means X is the sister of Y, how is X related to Y?
Coded relations
Easy
A.Daughter
B.Mother
C.Brother
D.Sister
Correct Answer: Sister
Explanation:
The symbol is defined to show that X is the sister of Y.
Incorrect! Try again.
21Statements: All poets are dreamers. Some dreamers are musicians. No musician is a pilot. Which conclusion definitely follows?
Logical Venn diagrams
Medium
A.Some poets are musicians
B.No poet is a pilot
C.All dreamers are poets
D.Some dreamers are not pilots
Correct Answer: Some dreamers are not pilots
Explanation:
The musicians who are dreamers cannot be pilots. Therefore, at least some dreamers are not pilots.
Incorrect! Try again.
22Statements: Some teachers are writers. All writers are readers. No reader is careless. Which conclusion definitely follows?
Logical Venn diagrams
Medium
A.Some teachers are not careless
B.All teachers are readers
C.No teacher is careless
D.Some careless people are writers
Correct Answer: Some teachers are not careless
Explanation:
The teachers who are writers must be readers, and no reader is careless. Hence, those teachers are not careless.
Incorrect! Try again.
23Statements: All roses are flowers. No flower is metallic. Some gifts are metallic. Which conclusion definitely follows?
Logical Venn diagrams
Medium
A.Some flowers are gifts
B.No rose is a gift
C.All gifts are flowers
D.Some gifts are not roses
Correct Answer: Some gifts are not roses
Explanation:
Some gifts are metallic, while no flower, including any rose, can be metallic. Those metallic gifts therefore cannot be roses.
Incorrect! Try again.
24Statements: Some laptops are tablets. All tablets are portable devices. Some portable devices are expensive. Which conclusion definitely follows?
Logical Venn diagrams
Medium
A.All laptops are portable devices
B.Some laptops are portable devices
C.No expensive item is a laptop
D.Some laptops are expensive portable devices
Correct Answer: Some laptops are portable devices
Explanation:
The laptops that are tablets must also be portable devices because every tablet is portable.
Incorrect! Try again.
25Which diagrammatic relationship best represents Doctors, Women, and Mothers?
Relating a given group diagrammatically
Medium
A.All three groups are completely separate
B.Mothers are inside Women, while Doctors partly overlap Women
C.Doctors are inside Mothers, and Mothers are inside Women
D.Women are inside Mothers, while Doctors remain separate
Correct Answer: Mothers are inside Women, while Doctors partly overlap Women
Explanation:
Every mother is a woman, but only some women are doctors and only some doctors may be women.
Incorrect! Try again.
26Which diagrammatic relationship best represents Squares, Rectangles, and Circles?
Relating a given group diagrammatically
Medium
A.All three groups overlap one another because each group contains closed plane figures with measurable areas
B.Squares and Circles overlap inside Rectangles
C.Squares are inside Rectangles, and Circles are separate
D.Rectangles are inside Squares, and Circles are separate
Correct Answer: Squares are inside Rectangles, and Circles are separate
Explanation:
Every square is a rectangle, but a circle is neither a square nor a rectangle.
Incorrect! Try again.
27Which diagrammatic relationship best represents Students, Athletes, and Singers?
Relating a given group diagrammatically
Medium
A.Students inside Athletes inside Singers
B.Three circles completely separate from one another
C.Athletes and Singers inside Students
D.Three circles that may overlap one another
Correct Answer: Three circles that may overlap one another
Explanation:
A person may belong to any one, any two, or all three groups, and none of the groups must contain another.
Incorrect! Try again.
28Statements: All engineers are graduates. Some graduates are artists. No artist is a banker. Which situation is possible?
Possibility questions
Medium
A.Every graduate is both an artist and a banker
B.Some engineers are not graduates
C.Some artists are bankers
D.Some engineers are artists
Correct Answer: Some engineers are artists
Explanation:
Nothing prevents engineers from being artists, provided those engineers are not bankers. The other situations directly contradict the statements.
Incorrect! Try again.
29Statements: No chef is a pilot. Some pilots are dancers. All dancers are fit. Which conclusion is possible but not definite?
Possibility questions
Medium
A.Some dancers are not chefs
B.No pilot is a chef
C.Some pilots are fit
D.Some fit people are chefs
Correct Answer: Some fit people are chefs
Explanation:
The statements do not specify whether chefs can be fit, so this is possible. The other three conclusions follow definitely.
Incorrect! Try again.
30Statements: All novels are books. Some books are rare. No rare object is digital. Which situation is impossible?
Possibility questions
Medium
A.Some rare books are digital
B.Some novels are rare
C.Some books are digital
D.Some rare objects are novels
Correct Answer: Some rare books are digital
Explanation:
No rare object can be digital, so a rare book cannot be digital. The remaining situations do not necessarily violate the statements.
Incorrect! Try again.
31Arrange these facts mentally to determine the relation: (i) Kiran is the mother of Leena. (ii) Mohan is the brother of Kiran. (iii) Leena is the sister of Nikhil. How is Mohan related to Nikhil?
Cracking jumbled-up descriptions
Medium
A.Brother-in-law
B.Grandfather
C.Paternal uncle
D.Maternal uncle
Correct Answer: Maternal uncle
Explanation:
Kiran is Nikhil's mother because Leena and Nikhil are siblings. Kiran's brother Mohan is therefore Nikhil's maternal uncle.
Incorrect! Try again.
32Use the jumbled facts: (i) Tara is the daughter of Om. (ii) Raj is the father of Om. (iii) Neha is the wife of Raj. How is Neha related to Tara?
Cracking jumbled-up descriptions
Medium
A.Mother-in-law
B.Paternal grandmother
C.Maternal grandmother
D.Paternal aunt
Correct Answer: Paternal grandmother
Explanation:
Raj is the father of Tara's father, Om. Raj's wife Neha is therefore Tara's paternal grandmother.
Incorrect! Try again.
33Use the jumbled facts: (i) Dev is married to Rina. (ii) Rina is the sister of Sohan. (iii) Sohan is the father of Meera. How is Dev related to Meera?
Cracking jumbled-up descriptions
Medium
A.Brother-in-law
B.Paternal uncle by marriage
C.Maternal uncle
D.Grandfather
Correct Answer: Paternal uncle by marriage
Explanation:
Rina is the sister of Meera's father, so Rina is Meera's paternal aunt. Rina's husband Dev is Meera's paternal uncle by marriage.
Incorrect! Try again.
34Pointing to a woman, Arjun said, "Her only brother is the father of my daughter." How is the woman related to Arjun?
Relation puzzles
Medium
A.Sister
B.Wife
C.Daughter
D.Mother
Correct Answer: Sister
Explanation:
Arjun is the father of his daughter. Since the woman's only brother is that father, Arjun is her brother and she is his sister.
Incorrect! Try again.
35P is the sister of Q. Q is married to R. R is the brother of S. S is the mother of T. How is P related to R?
Relation puzzles
Medium
A.Maternal aunt
B.Cousin
C.Sister-in-law
D.Daughter-in-law
Correct Answer: Sister-in-law
Explanation:
P is the sister of Q, and Q is R's spouse. Therefore, P is R's sister-in-law.
Incorrect! Try again.
36A family has six members: A, B, C, D, E, and F. A and B are married. C is the son of A. D is the sister of C. E is the mother of B. F is the only son of D. How is A related to F?
Relation puzzles
Medium
A.Father-in-law
B.Maternal uncle
C.Paternal grandfather
D.Maternal grandfather
Correct Answer: Maternal grandfather
Explanation:
D is A's daughter, and F is D's son. Thus, A is the father of F's mother, making A the maternal grandfather.
Incorrect! Try again.
37Introducing a man, Priya said, "His wife's mother is the only daughter of my mother." Priya has no sisters. How is the man related to Priya?
Relation puzzles
Medium
A.Maternal uncle
B.Son-in-law
C.Brother-in-law
D.Father-in-law
Correct Answer: Son-in-law
Explanation:
Priya is her mother's only daughter, so the man's wife's mother is Priya. Therefore, the man is Priya's son-in-law.
Incorrect! Try again.
38In a code, A + B means A is the mother of B, A - B means A is the brother of B, and A × B means A is the wife of B. What does P × Q - R indicate about P in relation to R?
Coded relations
Medium
A.Mother-in-law
B.Sister-in-law
C.Paternal aunt
D.Sister
Correct Answer: Sister-in-law
Explanation:
P is the wife of Q, and Q is the brother of R. Hence, P is R's sister-in-law.
Incorrect! Try again.
39In a code, M @ N means M is the father of N, M # N means M is the sister of N, and M $ N means M is the husband of N. Which expression shows that P is the maternal uncle of Q?
Coded relations
Medium
A.P # R $ Q
B.P @ R # Q
C.P # R @ Q
D.P $ R @ Q
Correct Answer: P # R @ Q
Explanation:
In P # R @ Q, P is the brother or sister of R according to the given code, but # specifically makes P the sister, so this expression cannot indicate a maternal uncle.
Incorrect! Try again.
40In a code, A % B means A is the son of B, A & B means A is the mother of B, and A * B means A is the sister of B. How is K related to M in K % L * M?
Coded relations
Medium
A.Cousin
B.Maternal uncle
C.Nephew
D.Brother
Correct Answer: Nephew
Explanation:
K is the son of L, and L is the sister of M. Therefore, K is M's nephew.
Incorrect! Try again.
41Statements:
1. All are .
2. No is .
3. Some are .
4. All are .
Conclusions:
I. Some are not .
II. No is .
III. Some are not .
Which conclusions necessarily follow?
Logical Venn diagrams
Hard
A.Only I and II follow
B.I, II and III follow
C.Only II and III follow
D.Only I follows
Correct Answer: Only I and II follow
Explanation:
Every lies in , which is disjoint from . Thus no is , and the existing that is cannot be . Statement 4 does not establish that any or exists.
Incorrect! Try again.
42A survey establishes that all poets are researchers, some teachers are poets, and some researchers are not teachers. Let , , and represent poets, researchers, and teachers respectively. Which set description must hold?
Relating a given group diagrammatically
Hard
A., , and
B., , and
C., , and
D., , and
Correct Answer: , , and
Explanation:
All poets being researchers gives . Some teachers are poets makes nonempty, while some researchers are not teachers makes nonempty.
Incorrect! Try again.
43Statements:
1. No is .
2. All are .
3. Some are not .
Consider these possibilities separately:
I. Some are .
II. All are .
III. All are .
Which can be true without contradicting the statements?
Possibility questions
Hard
A.Only II and III can be true
B.I, II and III can be true
C.Only I can be true
D.Only I and II can be true
Correct Answer: Only I and II can be true
Explanation:
An outside may belong to , so I is possible. All may be while at least one remains outside , so II is possible. III directly contradicts the existence of an that is not .
Incorrect! Try again.
44Statements:
1. Some are .
2. All are .
3. No is .
4. Some are .
5. All are .
Conclusions:
I. Some are .
II. Some are not .
III. Some are not .
Which conclusions follow?
Logical Venn diagrams
Hard
A.I, II and III follow
B.Only I and II follow
C.Only II and III follow
D.Only I and III follow
Correct Answer: I, II and III follow
Explanation:
The existing that is must be and therefore not , proving I and II. The existing that is must be ; since no is , that individual is an outside , proving III.
Incorrect! Try again.
45All archivists are historians. No historian is an astronaut. Some pilots are astronauts, and some pilots are archivists. If , , , and denote the four groups, which diagrammatic relationship is required?
Relating a given group diagrammatically
Hard
A., , and intersects both and
B., , and lies entirely inside
C., , and lies entirely inside
D., , and is disjoint from
Correct Answer: , , and intersects both and
Explanation:
Archivists form a subset of historians, and historians are disjoint from astronauts. Pilots must have at least one member among archivists and at least one among astronauts; these must be different pilot regions.
Incorrect! Try again.
46Statements:
1. No is .
2. All are .
3. Some are not .
Possibilities:
I. Some are .
II. All are .
III. All are .
Which possibilities are logically admissible when considered separately?
Possibility questions
Hard
A.Only I and II are admissible
B.Only II and III are admissible
C.Only I is admissible
D.I, II and III are admissible
Correct Answer: Only I and II are admissible
Explanation:
The required outside may be placed in , making I possible. It may instead be in but outside , making II possible. III contradicts the statement that some are not .
Incorrect! Try again.
47Statements:
1. Only scientists are inventors.
2. No scientist is careless.
3. Some artists are inventors.
Conclusions:
I. Some artists are not careless.
II. No inventor is careless.
III. Some scientists are artists.
Which conclusions follow?
Logical Venn diagrams
Hard
A.Only I and III follow
B.I, II and III follow
C.Only I and II follow
D.Only II and III follow
Correct Answer: I, II and III follow
Explanation:
"Only scientists are inventors" means every inventor is a scientist. Therefore inventors are not careless. The existing artist who is an inventor is consequently both a scientist and an artist, and is not careless.
Incorrect! Try again.
48Statements:
1. All are .
2. No is .
3. All are .
4. Some are not .
Considered separately, which possibilities can occur?
I. Some are .
II. All are .
III. Some are .
Possibility questions
Hard
A.Only I can occur
B.Only II can occur
C.I, II and III can occur
D.Only II and III can occur
Correct Answer: Only II and III can occur
Explanation:
A cannot be an because every is while no is . II is possible if is empty, and III is possible by placing a inside but outside both and .
Incorrect! Try again.
49Nisha is the only daughter of the man who is the father of Kavya's father's only son. Kavya is female and has exactly one brother. How is Nisha related to Kavya?
Cracking jumbled-up descriptions
Hard
A.Nisha is Kavya's daughter
B.Nisha is Kavya's niece
C.Nisha is Kavya's sister
D.Nisha is Kavya herself
Correct Answer: Nisha is Kavya herself
Explanation:
Kavya's father's only son is Kavya's brother, whose father is also Kavya's father. Since Kavya is a daughter of that man and Nisha is his only daughter, Nisha and Kavya are the same person.
Incorrect! Try again.
50Arjun, a male with exactly one sister, points to a girl named Riya and says, "The only son of Riya's paternal grandfather is the husband of my mother's only daughter." How is Riya related to Arjun?
Cracking jumbled-up descriptions
Hard
A.Riya is his daughter
B.Riya is his niece
C.Riya is his cousin
D.Riya is his sister
Correct Answer: Riya is his niece
Explanation:
Arjun's mother's only daughter is Arjun's sister. Her husband is the only son of Riya's paternal grandfather, so he is Riya's father. Riya is therefore the daughter of Arjun's sister.
Incorrect! Try again.
51P is the brother of Q, and Q is male. Their parents have exactly three children. A woman R, distinct from P and Q, says, "The only daughter of Q's maternal grandfather is my mother." How is R related to P?
Cracking jumbled-up descriptions
Hard
A.R is P's sister
B.R is P's mother
C.R is P's cousin
D.R is P's aunt
Correct Answer: R is P's sister
Explanation:
The only daughter of Q's maternal grandfather is Q's mother. Thus R and Q have the same mother. Since the family has exactly three children, P and Q are male, and R is the distinct female child, R is P's sister.
Incorrect! Try again.
52A and B are married. Their daughter C is married to D. E is D's only sister. F is E's son, and G is the son of C and D. How is F related to G?
Relation puzzles
Hard
A.F is G's second cousin
B.F is G's paternal uncle
C.F is G's first cousin
D.F is G's maternal cousin
Correct Answer: F is G's first cousin
Explanation:
D and E are siblings. G is D's child, while F is E's child. Children of siblings are first cousins.
Incorrect! Try again.
53A and B are full siblings; A is male and B is female. C is their mother, D is C's father, and E is D's only son. F is B's daughter. How is E related to F?
Relation puzzles
Hard
A.E is F's paternal granduncle
B.E is F's maternal grandfather
C.E is F's maternal uncle
D.E is F's maternal granduncle
Correct Answer: E is F's maternal granduncle
Explanation:
E is the brother of C, who is B's mother. Thus E is B's maternal uncle. Since F is B's daughter, E is F's maternal granduncle.
Incorrect! Try again.
54Leena looks at a man and says, "The mother of his wife is the only daughter of my father's mother." How is the man's wife related to Leena?
Relation puzzles
Hard
A.She is Leena's paternal aunt
B.She is Leena's elder sister
C.She is Leena's first cousin
D.She is Leena's maternal cousin
Correct Answer: She is Leena's first cousin
Explanation:
Leena's father's mother is her paternal grandmother. That grandmother's only daughter is Leena's paternal aunt. The man's wife is the daughter of this aunt, making her Leena's first cousin.
Incorrect! Try again.
55A family contains exactly seven people: P, Q, R, S, T, U, and V. P is the father of Q and R. Q is the son of P and the husband of V. R is the mother of S and the wife of T. S is a son, and U is the daughter of Q and V. How many female members are in the family?
Relation puzzles
Hard
A.Two female members
B.Four female members
C.Five female members
D.Three female members
Correct Answer: Three female members
Explanation:
R is female because she is a mother and wife, V is female because she is Q's wife, and U is female because she is a daughter. P, Q, S, and T are male, giving three female members.
Incorrect! Try again.
56B and E are full siblings. G is their mother. B is married to C, and D is their daughter. F is the daughter of D. How is G related to F?
Relation puzzles
Hard
A.G is F's grandmother
B.G is F's great-grandmother
C.G is F's great-aunt
D.G is F's maternal granduncle
Correct Answer: G is F's great-grandmother
Explanation:
G is B's mother, B is D's parent, and D is F's mother. Hence G is the mother of F's grandparent, which makes G F's great-grandmother.
Incorrect! Try again.
57In a code:
- means A is the mother of B.
- means A is the brother of B.
- means A is the husband of B.
- means A is the daughter of B.
All stated siblings are full siblings. In , how is P related to S?
Coded relations
Hard
A.P is S's sister
B.P is S's mother
C.P is S's daughter
D.P is S's aunt
Correct Answer: P is S's sister
Explanation:
P is Q's daughter, while Q is R's mother. Since R is S's full brother, Q is also S's mother. P and S are therefore siblings, and P is female.
Incorrect! Try again.
58In a relation code, means A is the sister of B, and means A is the mother of B. Which expression shows that P is the maternal aunt of Q?
Coded relations
Hard
A.
B.
C.
D.
Correct Answer:
Explanation:
P is R's sister, and R is Q's mother. Therefore P is the sister of Q's mother, which makes P Q's maternal aunt.
Incorrect! Try again.
59In a code:
- means A is the wife of B.
- means A is the father of B.
- means A is the brother of B.
- means A is the daughter of B.
All siblings are full siblings. In , how is N related to Q?
Coded relations
Hard
A.N is Q's husband
B.N is Q's uncle
C.N is Q's father
D.N is Q's brother
Correct Answer: N is Q's father
Explanation:
N is the father of P, and P is Q's full brother. Hence N is also Q's father. The relation between M and N does not change this result.
Incorrect! Try again.
60In a code:
- means A is the daughter of B.
- means A is the son of B.
- means A is the mother of B.
- means A is the brother of B.
Which expression unambiguously shows that X is the granddaughter of Y?
Coded relations
Hard
A.
B.
C.
D.
Correct Answer:
Explanation:
X is the daughter of P, and P is the son of Y. Thus X is a female grandchild of Y, so she is Y's granddaughter.
Incorrect! Try again.
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