
Speed, Distance and Time (Class 8)
A motor car starts with a speed of 70 km/hr with its speed increasing every 2 hours by 10 km/hr. In how many hours will it cover 345 km?
(a) 21/4 hr
(b) 4 hr 5 min
(c) 9/2 hr
(d) Can’t be determined
A motor car starts with a speed of 70 km/hr with its speed increasing every 2 hours by 10 km/hr. In how many hours will it cover 345 km?
(a) 21/4 hr
(b) 4 hr 5 min
(c) 9/2 hr
(d) Can’t be determined
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