13.
|
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:
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A.
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22.75 m
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B.
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25 m
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C.
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19.5 m
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D.
|
|
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Answer: Option B
Explanation:
A : B = 200 : 169.
A : C = 200 : 182.
C
|
=
|
|
C
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x
|
A
|
|
=
|
|
182
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x
|
200
|
|
= 182 : 169.
|
B
|
A
|
B
|
200
|
169
|
When C covers 182 m, B covers 169 m.
When C covers 350 m, B covers
|
|
169
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x 350
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m
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= 325 m.
|
182
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Therefore, C beats B by (350 - 325) m = 25 m.
