ranjan got 45% in 1st paper and 70% in second. How much %should he get in the 3rd paper to get 60% as overall score?
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65 marks required.
Assume in first paper he got 45out of 100, 70 out of 100and third is unknown so assume x out of 100 so the total marks he get is 115+x out of 300 ,
Now total percentage should be 60
Apply genral formula for percentage
Total marks he scored(115+x) divide by max marks(300) and multiply by 100 = percentage 60
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