Civil Engineering MCQAE Level Civil Engineering
A 1-hour rainfall of 10 cm has a return period of 50 years. The probability of a 1-hour rainfall of 10 cm or more occurring in each of two successive years is
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Choose the correct answer
A
0.02
B
0.04
C
0.0002
D
0.0004
Correct Answer
D. 0.0004
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P = 1/50 = 0.02 per year; for both successive years P×P = 0.02×0.02 = 0.0004.
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.