1.

During an examination, Ronald got a meanscore of 72 in five subjects. The total marksobtained were 10 more than those of theprevious examination. What was his meanscore in the previous exam?

Answer»

M =sum of total marks/No of subso here total Marks= 72x5=360according to the question previous total marks 360-10=350New Mean = 350/5 =70



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