Statement: Unless you work hard, you will fail. Conclusion: If you did not fail, you worked hard. MCQ with Answer and Explanation

Question
Statement: Unless you work hard, you will fail. Conclusion: If you did not fail, you worked hard.
A. Conclusion follows
B. Conclusion is false
C. Conclusion does not follow
D. Cannot be determined
Answer: Option A
Solution (By JKSSB Mock Tests)
'Unless P, Q' means 'If not P, then Q'. Its contrapositive is 'If not Q, then P'. Hence, if you did not fail, you worked hard.
This question belongs to: Reasoning Logical Reasoning
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Practice More Logical Reasoning Questions

Question #1
Six persons P, Q, R, S, T, U sit around a circular table facing the centre. P is immediate left of Q. R is opposite P. S is between Q and R. D is immediate right of P. Who is opposite D?
A. U
B. S
C. T
D. Q
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Correct Answer: Option B

Explanation:
Arrangement clockwise: P, Q, S, R, U, D. Opposite D (position 6) is position 3, which is S.
This question belongs to: Reasoning Logical Reasoning
Question #2
In a certain code, '467' means 'leaves are green', '485' means 'green is good', '639' means 'they are playing'. Which digit stands for 'are'?
A. 7
B. 8
C. 4
D. 6
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Correct Answer: Option D

Explanation:
'green' first two =4, 'are' first and third =6.
This question belongs to: Reasoning Logical Reasoning
Question #3
If 'NIGHT' is coded as 'NJHIU', then 'LIGHT' is coded as ?
A. MJHIU
B. MJHJV
C. MJIUV
D. MJHIV
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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: L→M, I→J, G→H, H→I, T→U = MJHIU.
This question belongs to: Reasoning Logical Reasoning
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