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 :
A. 30 B. 34 C. 24 D. 44 Answer: Option CShow Answer
Solution(By Apex Team)
Average of 9 numbers = 50 Hence sum of 9 numbers = 450 Average of last three numbers = 52 Hence sum of them will be = 156 number will be = sum of 9 numbers – (sum of first five numbers + sum of last three numbers) = 450 – (156 + 270) = 24
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