Sunday, 18 January 2015

A car travelling with 5/7 of its actual speed covers 42 kms in 1 hr 40 min 48 sec. Find the actual speed of the car

Q. A car travelling with 5/7 of its actual speed covers 42 kms in 1 hr 40 min 48 sec. Find the actual speed of the car
A) 20 km/hr
B) 25 km/hr
C) 30 km/hr
D) 35 km/hr


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