Question

A car moves with a speed of ‘z’ km/hr. After 3 hours, it increases its speed to (z + 20) and travels for 2 hours. If the ratio of the distance covered in the first 3 hours to that in the next 2 hours is 3:2, find the total distance covered by the car.

A 250 km
B 140 km
C 200 km
D 545 km
E none of these
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