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P gets 360 marks out of a total score of 500. Marks of P are 10% less than Q's score. Q got 25% more than R, and R got 20% less than S. What is the percentage marks of S?

A68%

B80%

C75%

D72%

Answer:

B. 80%

Read Explanation:

P's score = 360

Q's score = 360 x (100/90) = 400

R's score = 400 x (100/125) = 320

S's score = 320 x (100/80) = 400

Percentage of S's marks = (400/500) x 100 = 80%


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