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Q.
In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C:
A.
18 m
B.
20 m
C.
27m
D.
9 m
View Answer
Correct choice: B
Explanation:
A : B = 100 : 90. A : C = 100 : 72. B:C = B/A*A/C = 90/100*100/72 = 90/72 When B runs 90 m, C runs 72 m. When B runs 100 m, C runs (72/90*100)m = 80m B can give C 20 m.
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