Find the next term: 9, 20, 43, 90, ? MCQ with Answer and Explanation

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Find the next term: 9, 20, 43, 90, ?

A. 185

B. 189

C. 191

D. 187

Answer: Option A

Solution (By JKSSB Mock Tests)

9×2+2=20, 20×2+3=43, 43×2+4=90, 90×2+5=185.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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Statements: All cups are saucers. Some saucers are plates. Conclusions: I. Some plates are cups. II. Some saucers are cups.

A. Both follow

B. Only I follows

C. Only II follows

D. Neither follows

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Correct Answer: Option C

Explanation:
All cups saucers means some saucers are cups. No definite plates and cups.

This question belongs to: Reasoning Logical Reasoning

Question #2

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Statement: All mangoes are fruits. Some fruits are sweet. Conclusion: Some mangoes are sweet.

A. Conclusion is definitely false

B. Conclusion does not follow

C. Conclusion follows

D. All mangoes are sweet

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Correct Answer: Option B

Explanation:
Mangoes are fruits, but not necessarily among the fruits that are sweet. The conclusion is not certain.

This question belongs to: Reasoning Logical Reasoning

Question #3

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Statements: All students are teachers. Some teachers are professors. Conclusions: I. Some professors are students. II. Some teachers are students.

A. Only II follows

B. Both follow

C. Neither follows

D. Only I follows

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Correct Answer: Option A

Explanation:
All students teachers means some teachers are students. No definite professors and students.

This question belongs to: Reasoning Logical Reasoning

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