RRB Assistant Loco Pilot and Technician Model Paper 16 with key

Question : 55 of 75

Marks: +1, -0

A train 180 m long moving at the speed of 20 m/sec. over takes a man moving at a speed of 10m/ sec in the same direction. The train passes the man in:

6 sec
9 sec
18 sec
27 sec

Validate

Solution:

V_{\rel}

V_{\train}

V_{\man}

(as moving in same direction)

V_{\rel}

= 20 - 10 = 10 m/s
time =

D/V_{\rel}

{180}/{10}

= 18 s

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