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A certain sum is divided among P, Q and R such that P gets 775 more than one-fourth of the sum, Q gets 512 less than two-fifth of the sum and finally R gets 3510. What is the total sum?(1) 10,045 (2) 7,550(3) 8,780 (4) 9,610(5) None of these |
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Answer» Let the sum be x P get = 1/4 of x + 775 Q get = 2/5 of x - 512 R = 3510 P + Q + R = sum x/4 + 775 + 2x/5 - 512 + 3510 = x x - x/4 - 2x/5 = 3773 7x = 75460 x = 75460/7 x = 10780 so sum was 10780 |
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