SOLUTION: susant got 72 marks in English out of 120 and 70 marks in hindi out of 150. The maximum marks in the mathmatics paper were 180. If she got 60% marks out of the total marks of the

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Question 779237: susant got 72 marks in English out of 120 and 70 marks in hindi out of 150. The maximum marks in the mathmatics paper were 180. If she got 60% marks out of the total marks of the three paper, how many marks did she get in mathmatics?
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
Max marks = 120 + 150 + 180 = 450

Let us assume that Susant scored x marks in Mathematics.
Total marks scored = 72 + 70 + x

Percentage of marks scored by Susant = %28142%2Bx%29%2A100%2F450=2%28142%2Bx%29%2F9
But this percentage is given to be as 60.

So, 60=2%28142%2Bx%29%2F9
270=142%2Bx
x=128