In an exammination , 100 marks are distributed among three questions so that they are proportional to 8 , 5, 7. Find the marks for each questions .
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Answer:
40,25 & 35
Step-by-step explanation:
- let, marks are 8x,5x,7x
- (8x+5x+7X)=100
- 20x=100
- x=5
- marks are 8*5=40, 5*5=25 & 7*5 =35
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