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in a mathematics exam dum of marks of ravan and ramu is 30 and their marks difference is 10. find the marks of ramu |
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Answer» 20 and 10 as. let us suppose marks of Ramu are' x and Ravan ' y '.x+y=30x-y =10 Let marks of Ravan be xThen marks of Ramu = 30 - x As per given conditionx - (30 - x) = 102x - 30 = 102x = 40x = 40/2 = 20 Therefore,Marks of Ravan = 20Marks of Ramu = 10 |
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