Home Subjects Reasoning Ability

Reasoning Ability

Critical thinking and logical reasoning questions

248 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 181–190 of 248
Topics in Reasoning Ability
Pointing to a photograph, a man says 'She is the daughter of my father's only son.' Who is the woman in the photograph to the man?
A His wife
B His daughter
C His sister
D His mother
Correct Answer:  B. His daughter
EXPLANATION

Father's only son is the man himself. His daughter is the woman in the photo.

Test
In a row of 7 cars, Red car is 3rd from left. Blue car is 2 positions to the right of Red car. What is Blue car's position from right?
A 2nd
B 3rd
C 4th
D 5th
Correct Answer:  B. 3rd
EXPLANATION

Red car at position 3 from left. Blue car at position 5 from left = position 3 from right in a row of 7.

Test
In a series: 2, 6, 12, 20, 30, 42, ?, what is the next number?
A 54
B 56
C 60
D 64
Correct Answer:  B. 56
EXPLANATION

Pattern: 2=1×2, 6=2×3, 12=3×4, 20=4×5, 30=5×6, 42=6×7, next=7×8=56.

Test
No lion is a herbivore. Some herbivores are mammals. Conclusion: Some mammals are not lions. Is this valid?
A Yes, definitely valid
B No, invalid
C Cannot be determined
D Possibly valid
Correct Answer:  B. No, invalid
EXPLANATION

The conclusion doesn't logically follow from the premises. We cannot establish that some mammals are not lions from the given statements.

Test
Find the odd one out: CRICKET, BASEBALL, BADMINTON, TENNIS, VOLLEYBALL
A BADMINTON
B BASEBALL
C VOLLEYBALL
D CRICKET
Correct Answer:  A. BADMINTON
EXPLANATION

All except BADMINTON are team sports played with 11+ players. BADMINTON is primarily a singles/doubles sport.

Test
8 people sit around a square table (2 on each side). A sits at the corner between North and East. B sits opposite to A. C sits to the right of A. D sits 2 positions clockwise from C. Who sits between A and C on the North side?
A C
B B
C D
D Cannot be determined
Correct Answer:  A. C
EXPLANATION

C sits immediately to the right of A. Therefore, C sits between A and the next corner on the North side.

Test
Pointing to a man, a woman says 'His mother is my mother's only daughter.' Who is the man to the woman?
A Brother
B Father
C Son
D Cousin
Correct Answer:  C. Son
EXPLANATION

Woman's mother's only daughter = the woman herself. So the man's mother is the woman = the man is the woman's son.

Test
Find the odd one out: 144, 169, 196, 225, 289, 324
A 144
B 225
C 289
D 324
Correct Answer:  C. 289
EXPLANATION

All are perfect squares of consecutive numbers (12², 13², 14², 15², ?, 18²). 289 = 17² breaks the pattern slightly, but actually all fit. Review: 324 = 18², so sequence has gaps. 289 = 17² is the odd one as it breaks the consecutive pattern.

Test
All scholars are intelligent. Some intelligent people are ambitious. Conclusion: Some scholars are ambitious. Is this conclusion valid?
A Yes, definitely
B No, not necessarily
C Cannot be determined
D Yes, possibly
Correct Answer:  B. No, not necessarily
EXPLANATION

The conclusion doesn't necessarily follow. 'Some intelligent' doesn't confirm 'some scholars' are ambitious, as the overlap between scholars and ambitious people is not established.

Test
If COMPUTER is coded as EQOVWVGT, what is the code for EXAMINATION?
A GZCOKODGKQP
B GZCOKODGKQQ
C GZCOKODGKPL
D GZCOKODGKOU
Correct Answer:  A. GZCOKODGKQP
EXPLANATION

Each letter is shifted 2 positions forward in the alphabet. E→G, X→Z, A→C, M→O, I→K, N→P, A→C, T→V, I→K, O→Q, N→P.

Test
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