Find the next term: 3, 5, 9, 17, 33, ? MCQ with Answer and Explanation

Find the next term: 3, 5, 9, 17, 33, ?
A. 65
B. 63
C. 66
D. 64
Answer: Option A
Solution (By JKSSB Mock Tests)
Differences are 2, 4, 8, 16, 32. Next term = 33 + 32 = 65.

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Practice More Mental Reasoning Questions

Question #1
If 'A × B' means A is to the south of B; 'A + B' means A is to the north of B; 'A $ B' means A is to the east of B; 'A % B' means A is to the west of B; then in P % Q + R $ S, S is in which direction with respect to Q?
A. North-East
B. South-East
C. South-West
D. North-West

Correct Answer: Option B


Explanation:
P is west of Q. Q is north of R. R is east of S. So S is west of R, R is south of Q, so S is south-west of Q? From Q south to R, then west to S, so S is South-West of Q. Option A.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the missing term: 7, 14, 28, 56, 112, ?
A. 168
B. 236
C. 244
D. 224

Correct Answer: Option D


Explanation:
Each term is multiplied by 2: 112×2=224.

This question belongs to: Reasoning Mental Reasoning
Question #3
Find the missing term: 3, 7, 15, 31, 63, ?
A. 127
B. 129
C. 131
D. 125

Correct Answer: Option A


Explanation:
Each term is multiplied by 2 and 1 added: 3×2+1=7, 7×2+1=15, 15×2+1=31, 31×2+1=63, so 63×2+1=127.

This question belongs to: Reasoning Mental Reasoning