The average of 10 numbers is 20 and that of other 30 numbers is 40. Wh – McqOptions

MCQOPTIONS

1.	The average of 10 numbers is 20 and that of other 30 numbers is 40. What is the average of all the numbers?
A.	35
B.	40
C.	45
D.	50
Answer» B. 40

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