Find the missing term: 1, 2, 5, 10, 17, 26, ? MCQ with Answer and Explanation

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Find the missing term: 1, 2, 5, 10, 17, 26, ?

A. 37

B. 35

C. 38

D. 36

Answer: Option A

Solution (By JKSSB Mock Tests)

Differences are +1, +3, +5, +7, +9, so next difference is +11: 26+11=37.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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If 1 is coded as S, 2 as R, 3 as P, 4 as N, 5 as M, 6 as L, 7 as K, 8 as H and 9 as T, then how is 398745 coded?

A. PTHNKM

B. PTHKNM

C. PTHKMN

D. PTKHMN

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Correct Answer: Option B

Explanation:
3=P, 9=T, 8=H, 7=K, 4=N, 5=M. Thus PTHKNM.

This question belongs to: Reasoning Mental Reasoning

Question #2

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Statements: Some kings are queens. All queens are beautiful. Conclusions: I. All kings are beautiful. II. All queens are kings.

A. Neither I nor II follows

B. Only II follows

C. Only I follows

D. Either I or II follows

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Correct Answer: Option A

Explanation:
Some kings are queens and all queens are beautiful ⇒ Some kings are beautiful. Neither all kings are beautiful nor all queens are kings follows.

This question belongs to: Reasoning Mental Reasoning

Question #3

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Find the missing term: 5, 10, 30, 120, ?

A. 500

B. 540

C. 600

D. 480

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Correct Answer: Option C

Explanation:
Multipliers are 2, 3, 4, 5: 5×2=10, 10×3=30, 30×4=120, so 120×5=600.

This question belongs to: Reasoning Mental Reasoning

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