Question
In a 100 m race , A can give B 10 m and C 28 m. In the same race B can give C :
Answer: Option B
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A : B = 100 : 90 and A : C = 100 : 72
B : C = `B/A xx A/C` = `90/100 xx 100/72 = 90/72`
When B runs 90 m , C runs 72 m.
When B runs 100 m, C runs `(72/90 xx 100)`m = 80 m
`:.` B can give C 20 m.
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