A man can reach certain place in 10hours. If he reduces his speed by 1/5th, he goes 10km less in time. Find his speed? Choose the most appropriate option.
A) 5km/hr B) 22.5km/hr C) 10.78km/hr D) 14km/hr E) 43.15km/hr
Let the speed be x km/hr   10x-10* 4/5 *x = 10   10x - 8x = 10   2x = 10   x = 5km/hr   5km/hrnswer is 5km/hr
<result>A</result>
A man can reach certain place in 10hours. If he reduces his speed by 1/5th, he goes 10km less in time. Find his speed?