the mean of 11 numbers is 42 if the mean of first 6 number 37 and that of the last 6 number is 46 find the sixth number
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sum if 11 numbers is 462
sumif 6 numbers is.222
sum of last 6 num is 276
462-222-276
240-276
-36 so sixth number is36
sumif 6 numbers is.222
sum of last 6 num is 276
462-222-276
240-276
-36 so sixth number is36
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