Statements: Some books are pens. All pens are pencils. Conclusions: I. Some pencils are books. II. All books are pencils. MCQ with Answer and Explanation

Question

Statements: Some books are pens. All pens are pencils. Conclusions: I. Some pencils are books. II. All books are pencils.

A. Both follow

B. Only II follows

C. Neither follows

D. Only I follows

Answer: Option D

Solution (By JKSSB Mock Tests)

Some books are pens and all pens are pencils → some books are pencils → some pencils are books. II does not follow as all books need not be pencils.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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Find the next term in the series: 4, 9, 25, 49, 121, ?

A. 225

B. 289

C. 189

D. 169

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Correct Answer: Option D

Explanation:
Prime numbers squared: 2²=4, 3²=9, 5²=25, 7²=49, 11²=121, 13²=169.

This question belongs to: Reasoning Logical Reasoning

Question #2

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In a certain code language, '357' means 'books are old', '249' means 'man is old' and '785' means 'buy good books'. What is the code for 'are'?

A. 7

B. 3

C. Cannot be determined

D. 5

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Correct Answer: Option B

Explanation:
'old' first two =? First and third 'books' =5 or 7. Remaining for 'are' is 3.

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Question #3

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If 'SUGAR' is coded as 'TVHBS', then 'SALT' is coded as ?

A. TCMU

B. TBMT

C. TBLU

D. TBMU

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Correct Answer: Option D

Explanation:
Each letter is shifted one place forward: S→T, A→B, L→M, T→U = TBMU.

This question belongs to: Reasoning Logical Reasoning

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