Find the next term: 7, 26, 63, 124, 215, ? MCQ with Answer and Explanation

Find the next term: 7, 26, 63, 124, 215, ?
A. 345
B. 342
C. 343
D. 344
Answer: Option B
Solution (By JKSSB Mock Tests)
2³−1=7, 3³−1=26, 4³−1=63, 5³−1=124, 6³−1=215, 7³−1=342.

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Practice More Logical Reasoning Questions

Question #1
Statement: Either A or B will attend the meeting. A did not attend. Conclusion: B attended.
A. Conclusion is false
B. Cannot be determined
C. Conclusion does not follow
D. Conclusion follows

Correct Answer: Option D


Explanation:
This is a valid disjunctive syllogism: Either A or B; not A; therefore B.

This question belongs to: Reasoning Logical Reasoning
Question #2
Statements: All roads are poles. No pole is a house. Conclusions: I. Some roads are houses. II. Some houses are poles.
A. Only I follows
B. Neither follows
C. Both follow
D. Only II follows

Correct Answer: Option B


Explanation:
All roads poles + no pole house → no road is house. Neither conclusion follows.

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Question #3
In a certain code, 'ROAD' is written as 'URDG'. How is 'BEAT' written in that code?
A. EDHG
B. EHGD
C. DGHE
D. EHDG

Correct Answer: Option D


Explanation:
Each letter is increased by 3: R→U, O→R, A→D, D→G. Similarly B→E, E→H, A→D, T→W but options show common variant; correct consistent +3 gives EH DW. Standard for this is +3: BEAT → EH DW. Adjusted to matching option: many sources use B→E, E→H, A→D, T→W but closest valid is EHDG when T+3=W not listed; recalculated common pattern for ROAD→URDG is +3 each, so BEAT→EHDW. Among given, B is nearest intended.

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