The mean of 10 number is 12.5 and the mean of first six numbers is 15 and mean os last 5 numbers is 10.Find the sixth number
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it is given that mean of 10 number =12.5, mean of first 6 number (means we take 1st no to six no) = 15 and mean of last 5(means we take 5 numbers from last) no =10.
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