Practice Questions

Reasoning Practice Questions

These are PYQ-style reasoning questions.

Series

Q1

Find the next number:

3, 6, 12, 24, 48, ?

A. 72
B. 84
C. 96
D. 108

Answer: C

Pattern: ×2.

Q2

Find the next number:

5, 9, 17, 33, 65, ?

A. 97
B. 120
C. 129
D. 135

Answer: C

Pattern: ×2 -1? Actually 5→9 (+4), 9→17 (+8), 17→33 (+16), 33→65 (+32), next +64 = 129.

Q3

Find the missing letter:

B, D, G, K, P, ?

A. T
B. U
C. V
D. W

Answer: C

Positions: 2,4,7,11,16. Differences: +2,+3,+4,+5, next +6 = 22 = V.

Coding-decoding

Q4

If CAT is coded as DBU, then DOG is coded as:

A. EPH
B. ENH
C. FPH
D. EOG

Answer: A

Pattern: each letter +1.

Q5

If MANGO is written as NAMGO, then APPLE is written as:

A. PAPLE
B. APPEL
C. PPALE
D. LAPPE

Answer: A

Pattern: first two letters swapped.

Blood relation

Q6

A is the mother of B. B is the brother of C. C is the daughter of D. How is D related to A?

A. Husband
B. Brother
C. Father
D. Cannot be determined

Answer: D

Explanation: D is parent of C, but gender and marital relation to A are not directly confirmed.

Q7

P is the father of Q. Q is the sister of R. R is the son of S. How is S related to P?

A. Wife
B. Husband
C. Spouse
D. Cannot be determined

Answer: C

S is parent of R and Q; P is father of Q. Most likely spouse, but gender of S not known, so “spouse” is safest.

Direction

Q8

A person walks 5 km north, then 3 km east, then 5 km south. How far is he from starting point?

A. 3 km
B. 5 km
C. 8 km
D. 13 km

Answer: A

Syllogism

Q9

Statements:

  • All dogs are animals.
  • Some animals are cats.

Conclusion:

  1. Some dogs are cats.
  2. All cats are animals.

A. Only 1 follows
B. Only 2 follows
C. Both follow
D. Neither follows

Answer: D

Neither is guaranteed.

Statement-conclusion

Q10

Statement: Wind is an inexhaustible energy source and aerogenerators can convert it into electricity. There is vast potential for wind energy.

Conclusions:

  1. Wind energy is a useful alternative energy area.
  2. More exploration of wind energy can help energy needs.

A. Only 1 follows
B. Only 2 follows
C. Both follow
D. Neither follows

Answer: C

Data sufficiency

Q11

Question: Is x greater than 10?

Statement I: x > 8
Statement II: x is even

A. I alone sufficient
B. II alone sufficient
C. Both sufficient
D. Not sufficient

Answer: D

Even and greater than 8 could be 10 or 12.