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P, Q and R secured 45%, 50% and 60% marks respectively in Biology. Ms marks in Biology is 12.5 more than Ps marks and 4 less than Rs marks. Find out the individual marks of four students. A. For the students, total marks obtained for Biology is 311.5.<br />B. Total of Ms and Ps marks in Biology is 147.5.<br />C. R has obtained 84 marks.

Correct Answer: None of the statements is required

From the given data, (60 - 45)% = 12.5 + 415% = 16.5=> 100% = ?100% = 16.5 x 100/15 = 110

Hence, P = 45% of 110 = 45x110/100 = 49.5 Q = 50% of 110 = 55R = 60% of 110 = 60 x 110/100 = 66M = 12.5 + 49.5 = 62 or 66 - 4 = 62

 

Hence, no statement is required to answer.

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