1.

A train is 100 m long and is moving with a speed of 72 kmph. The time taken by the train to cross abridge of length 0.5 km isa)25 sb) 35 sc) 30 sd) 28 s

Answer» <p>=&gt;total distance=100+1000=1100m</p><p>=&gt;velocity=72 km/h=(72 x 1000)/3600=20 m/s</p><p>=&gt; speed=distance/time</p><p>=&gt;•°• time=1100/20= 55 sec</p> <p>your 6 th C batch am I right</p>


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