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The average of 6 numbers is 40. If each ...

The average of 6 numbers is 40. If each of the first three numbers is increased by 4 and each of the remaining three numbers is decreased by 6, then the new average is

A

(a) 36

B

(b) 30

C

(c) 39

D

(d) 42

Text Solution

Verified by Experts

The correct Answer is:
C
Sum of the six numbers
`=6xx40240`
Change in the sum of six numbers
`=(3xx4)-(3xx6)`
=12-18=-6
`:.` New average `=(234)/(6)=39`
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