The mean of 11 numbers is 35.If the mean of first 6number is 32 and that of last 6 numbers is 37, then find the 6th number.
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Answered by
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11 numbers average =35 first 6 numbers average =32 last 6 numbers average =37 =11 ×35=385 =32×6=192 =37×6=222 = ( 192+222) - 385 =29
Answered by
121
Sum of all 11 numbers = 11*35 = 385
Sum of first 6 numbers = 6*32 = 192
Sum of last six numbers = 6*37 = 222
Sum of first six and last six numbers = 192+222 = 414
Sixth number = 414 - 385 = 29
Sum of first 6 numbers = 6*32 = 192
Sum of last six numbers = 6*37 = 222
Sum of first six and last six numbers = 192+222 = 414
Sixth number = 414 - 385 = 29
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