Find the next term: 5, 6, 9, 15, 25, ? MCQ with Answer and Explanation

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Find the next term: 5, 6, 9, 15, 25, ?

A. 42

B. 41

C. 40

D. 45

Answer: Option B

Solution (By JKSSB Mock Tests)

5+1=6, 6+3=9, 9+6=15, 15+10=25, 25+16=41. Added numbers 1,3,6,10,16 (differences 2,3,4,6).

This question belongs to: Reasoning Logical Reasoning

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Question #1

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In a certain code language, '253' means 'books are old', '546' means 'man is old' and '378' means 'buy good books'. What stands for 'are' in that code?

A. 6

B. 5

C. 3

D. 2

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Correct Answer: Option D

Explanation:
'old' common first two =5. 'books' first and third =3. Remaining in first 2 = are.

This question belongs to: Reasoning Logical Reasoning

Question #2

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Find the next number in the series: 2, 4, 8, 16, 32, 64, ?

A. 256

B. 96

C. 128

D. 144

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Correct Answer: Option C

Explanation:
Each term is multiplied by 2. 64×2=128.

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Question #3

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If 'BRICK' is coded as 'CSJDL', then 'STONE' is coded as ?

A. TUQPG

B. TUPPG

C. TUQOG

D. TUQPH

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: S→T, T→U, O→Q, N→P, E→G = TUQPG.

This question belongs to: Reasoning Logical Reasoning

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