The average of 41 numbers is 63. The average of first 21 number is 61. – McqOptions

MCQOPTIONS

1.	The average of 41 numbers is 63. The average of first 21 number is 61.5 and that of last 21 numbers is 65.5. if 21st number is excluded then the average of remaining numbers is:
A.	62.475
B.	63.5
C.	62.5
D.	63.575
Answer» B. 63.5

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