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Q.
In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by ?
A.
25 m
B.
21 m
C.
22 m
D.
19 m
View Answer
Correct choice: A
Explanation:
A:B = 200 : 169 A:C = 200 : 182 C/B = C/A×A/B 182/200×200/169 => 182:169 When C covers 182 m , B Covers 169 m When C covers 350 m , B Covers 169/182×350 => 325 m So C beats B by (350 - 325) = 25 m.
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