A man can reach certain place in 50hours. If he reduces his speed by 1/10th, he goes 300km less in time. Find his speed?  Choose the correct choice from the following answers
A) 20km/hr B) 30km/hr C) 60km/hr D) 50km/hr E) 60km/hr
Let the speed be x km/hr   50x-50* 9/10 *x = 300   50x - 45x = 300   5x = 300   x = 60km/hr   Answer is 60km/hr
<result>C</result>
A man can reach certain place in 50hours. If he reduces his speed by 1/10th, he goes 300km less in time. Find his speed?