1.
|
In a 100 m race, A can give B 10 m and C 28
m. In the same race B can give C:
|
|
A.
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18 m
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B.
|
20 m
|
|
C.
|
27 m
|
D.
|
9 m
|
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Answer: Option B
Explanation:
A : B = 100 : 90.
A : C = 100 : 72.
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B : C =
|
B
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x
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A
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=
|
90
|
x
|
100
|
=
|
90
|
.
|
|
A
|
C
|
100
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72
|
72
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When B runs 90 m, C runs 72 m.
|
When B runs 100 m, C runs
|
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72
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x 100
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m
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= 80 m.
|
|
90
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B can give C 20 m.
