In a 100m race, Sam beats John by 3 seconds. On the contrary, if Sam allowed John to start 24m ahead of Sam, then Sam and John reach the finishing point at the same time. How long does Sam take to run the 100m race?  Select
A) 4 seconds B) 25.33 seconds C) 29 seconds D) 21 seconds E) 6.25 seconds
Their difference is 3 second but this difference is 0 if john allows Sam to start the race from 24m ahead . that means Jhon was 24m away from finishing line when they started together . so He will cover 24 m in 3 seconds . so his speed =24/3= 
<gadget id="calculator">24/3</gadget>
<output>8</output>
8 metre / second . so time taken=100/3=33.33 seconds . so Sam took = 25.33 seconds .   correct answer = 25.33 seconds
<result>B</result>
In a 100m race, Sam beats John by 3 seconds. On the contrary, if Sam allowed John to start 24m ahead of Sam, then Sam and John reach the finishing point at the same time. How long does Sam take to run the 100m race?