In a 100-meter dash, A defeats B by 10 metres and C by 13 metres. In a 180-meter race, B will win by:
A. 5.4 m
B. 4.5 m
C. 5 m
D. 6 m
Answer:D
In a 100-meter dash, A defeats B by 10 metres and C by 13 metres. In a 180-meter race, B will win by:
A. 5.4 m B. 4.5 m C. 5 m D. 6 m
Explanation: 100:90 is the ratio of A to B.The ratio of A to C is 100:87.C runs 29 metres when B runs 30 metres.When B runs 180 metres, C runs 29/30 x 180 metres = 174 metres.B wins by (180 - 174) m = 6 m over C.