If the arithmetic mean of 7 values is 30 and if each value is divided by 3, then the A.M of new set of values is 2 points
Answers
Answered by
3
Answer:
Correct option is
D
45
Mean of 10 number is 20.
Sum of 10 numbers = 200
When each number is multiplied by 2 and 5 is added to each number, new sum = 2×200+10×5=450
Now, new mean =
10
450
=45
Similar questions