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In an examination the maximum marks is 500. A scores 10% less than B, B scores 25% more than C and C scores 20% less than D. if a scored 260, what percentage of the maximum marks did D get?

A.	64%	B.	72%
C.	77%	D.	80%

Answer and Explanation

Answer:80%

Explanation:
Let D get x%. Then C gets 0.8x%, B gets 1.25(0.8)x% and A gets (0.9 × 1.25 × 0.8 × x%) i.e. 0.9x%
360/500 × 100 = 0.9x
x = 80%

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