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Q.
In a 100 m race, A beats B by 10 m and C by 13 m. In a race of 180 m, B will beat C by:
A.
5.4m
B.
4.5m
C.
5m
D.
6m
View Answer
Correct choice: D
Explanation:
A : B = 100 : 90. A : C = 100 : 87. B/C = (B/A*A/C) = (90/100*100/87) = 30/29 When B runs 30 m, C runs 29 m. When B runs 180 m, C runs (29/30*180)m =174m B beats C by (180 - 174) m = 6 m.
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