A man can reach certain place in 50hours. If he reduces his speed by 1/10th, he goes 200km less in time. Find his speed?  Choose the correct choice from the following answers
A) 20km/hr	B) 30km/hr	C) 40km/hr	D) 50km/hr	E) 60km/hr
Let the speed be x km/hr   50x-50* 9/10 *x = 200   50x - 45x = 200   5x = 200   x = 40km/hr   Answer is 40km/hr
<result>C</result>
A man can reach certain place in 50hours. If he reduces his speed by 1/10th, he goes 200km less in time. Find his speed?