A man can reach certain place in 50hours. If he reduces his speed by 1/10th, he goes 450km less in time. Find his speed?
Choices
A) 20km/hr	B) 30km/hr	C) 40km/hr	D) 50km/hr	E) 90km/hr
Let the speed be x km/hr   50x-50* 9/10 *x = 450   50x - 45x = 450   x = 90km/hr   Answer is 90km/hr
<result>E</result>
A man can reach certain place in 50hours. If he reduces his speed by 1/10th, he goes 450km less in time. Find his speed?