A boy can reach a certain place in 15 hours. If he reduces his speed by 1/30th, he goes 3 km less in that time. Find his speed.
Solution: Let the speed be x km/hr. then,
15x - (15 * 29x/30) = 3
=> 30x-29x = 3*2
=> x = 6 km/hr.
Back To Top