SSC CGL 7 06 2019 Shift 2 Paper

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Question : 68 of 100

Marks: +1, -0

A is 20% less than B and C is 30% more than D. If D is 25% less than A, then which of the following is true?

B = 0.39C
C = 0.78B
B = 0.78C
C = 0.39B

Solution:

Let

A

be 100
ATQ

A : B : C : D

=100: 125: 97.5: 75

Or

40: 50: 39: 30

So,

C=0.78 B

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