In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:	Answers: A) 20 B) 99 C) 88 D) 27 E) 21
Distance covered by B in 9 sec. = \inline \fn_jvn {\color{Black} \left ( \frac{100}{45}\times 9 \right )m} = 20m   \fn_jvn {\color{Black} \therefore } A beats B by 20 metres.   20nswer: 20) 20m
<result>A</result>
In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by: