CAT 2019 Shift 2 Paper

Question : 95 of 100

Marks: +1, -0

In an examination, the score of A was 10% less than that of B, the score of B was 25% more than that of C, and the score of C was 20% less than that of D. If A scored 72, then the score of D was

Your Answer:

Validate

Solution:

Given

A=72

Also,

A=0.9 × B⇒B=A {/} 0.9=72{/} 0.9=80

And

B=1.25 × C⇒C=B{/}1.25=80 {/} 1.25=64

And

C=0.8 × D⇒D=C {/}0.8=64{/}0.8=80

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