In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 200 m. Then, A wins by: Choose the correct choice from the following answers
A) 60 m	B) 100 m	C) 43m	D) 20m	E) 23m
To reach the winning post A will have to cover a distance of (500 - 200)m, i.e., 300 m.   While A covers 3 m, B covers 4 m.   While A covers 300 m, B covers 4 x 300/3	m	= 400 m.   Thus, when A reaches the winning post, B covers 400 m and therefore remains 100 m behind.   A wins by 100 m.   Answer:	100 m
<result>B</result>
In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 200 m. Then, A wins by: