MPSC PYQScienceSound Numericalenglish

Bullet fired toward cliff 510 m ahead; observer 340 m behind shooter. Echo times heard (v=340 m/s)?

A.2 s, 4 s
B.3 s, 5 s
C.4 s, 5 s
D.5 s, 2 s

Correct answer: B

Source paper

Science: Sound (Numerical)

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