Question

# A car covers a distance of 2 km in 2.5 minutes. If it covers half of the distance with speed 40 km/hr, the rest distance it shall cover with a speed of:

A
56 km/hr
B
60 km/hr
C
48 km/hr
D
50 km/hr
Solution
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#### Given that,Time t=2.5min Distance d=2km Now, firstly for half distance v=dt t=dv t=60×6040 t=90s Now, total time is t=150−90 t=60s Now, the speed is v=dt v=1×601 v=60km/h Hence, the speed is 60km/h

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