# In an examination, the score of A was 10% | Quantitative Aptitude - Arithmetic – Percentage

## CAT 2019 - Slot 2 - Quantitative Aptitude - Percentage - Question 2 - In an examination, the score of A was 10%

Q. 2: 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

Let the score of B =x

Score of A = x – 10% of x = 0.9x

As per question , score of B = 25% more than C = 5/4 C

And score of C = 20% less than D = 4/5 D

Or D = 5/4 C

So, B = D

Since A = 72, Therefore D = 72/0.9 = 80

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