In a 100 metre race, A can defeat B by 25 metres and B by 4 metres. A can beat C in the same race by:
A. 21 m
B. 26 m
C. 28 m
D. 29 m
Answer:C
In a 100 metre race, A can defeat B by 25 metres and B by 4 metres. A can beat C in the same race by:
A. 21 m B. 26 m C. 28 m D. 29 m
Explanation: A : B = 75 : 100,B : C = 96 : 100.,A: C = A/B x B/C = 100/75 x 100/96 = 100/72 = 100/72,A wins by (100 - 72) m = 28 m over C.