Find the missing term in the series: 2, 7, 27, 107, 427, ? MCQ with Answer and Explanation

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Find the missing term in the series: 2, 7, 27, 107, 427, ?

A. 1710

B. 1708

C. 1712

D. 1707

Answer: Option D

Solution (By JKSSB Mock Tests)

2×3+1=7, 7×4−1=27, 27×4−1=107, 107×4−1=427, 427×4−1=1707.

This question belongs to: Reasoning Logical Reasoning

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Practice More Logical Reasoning Questions

Question #1

Find the next term: 7, 26, 63, 124, 215, ?

A. 343

B. 345

C. 344

D. 342

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Correct Answer: Option D

Explanation:
2³−1=7, 3³−1=26, 4³−1=63, 5³−1=124, 6³−1=215, 7³−1=342.

This question belongs to: Reasoning Logical Reasoning

Question #2

If TABLE is coded as UBCMF, then CHAIR is coded as ?

A. DIBSJ

B. DIBJR

C. DHBJS

D. DIBJS

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Correct Answer: Option D

Explanation:
Each letter is shifted one place forward: C→D, H→I, A→B, I→J, R→S = DIBJS.

This question belongs to: Reasoning Logical Reasoning

Question #3

Find the next term: 2, 5, 11, 23, 47, ?

A. 95

B. 96

C. 97

D. 98

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Correct Answer: Option A

Explanation:
2×2+1=5, 5×2+1=11, 11×2+1=23, 23×2+1=47, 47×2+1=95.

This question belongs to: Reasoning Logical Reasoning

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