In a 100-m race, A beats B by 20 m and B beats C by 20 m. By how much distance does A beat C.
Answer & explanation
Correct answer: option 4
According to the question,
When A covers 100 m, B covers 80 m
And when B covers 100 m, C covers 80 m
So, the distance ratio of A to B and B to C are 10 : 8 and 10 : 8
A : B : C = 100 : 80 : 64
So, A beats C by 100 - 64
= 36 m
So , A beats C by 36 m