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The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is

Asked Sep 07, 2023 Modified Sep 07, 2023 Viewed 0 times
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Mathematics
asked Sep 07, 2023 at 09:12
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Required number = (Sum of all numbers) - [(Sum of first 5 numbers) + (Sum of last 3 numbers) = 50 x 9 - ( 54 x 5 + 3 x 52) = 450 - (270 + 156) = 450 - 426 ≈ 24
answered Sep 07, 2023 at 09:12
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