Home
Class 14
MATHS
The arithmetic mean of a set of 10 numbe...

The arithmetic mean of a set of 10 numbers is 20. If each number is first multiplied by 2 and then increased by 5, then what is the mean of new numbers ?

A

20

B

25

C

40

D

45

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The mean of 75 numbers is 35. If each number is multiplied by 4, find the new mean.

The mean of 8 numbers is 25. If each number is multiplied by 2, the new mean will be

The arithmetic mean of a set of observations is bar(X) . If each observation is divided by alpha and then is increased by 10, then the mean of the new series is

The means of a set of numbers is bar(X) . If each number is divided by 3, then the new mean is

The arithmetic mean of first n odd natural numbers,is

The mean of 10 numbers is 7 . If each number is multiplied by 1 then the mean of new set of numbers is

The mean weight of 8numbers is 15. If each number is multiplied by 2, what will be the new mean?