The mean of 12 numbers is 40. If each number is divided by 8, what will be the mean of the new numbers?
Given,
Mean of 12 numbers = 40
Sum of these numbers = 12 × 40 = 480
When each number is divided by 8
The new sum becomes = 
New mean = 
10
The mean of 12 numbers is 40. If each number is divided by 8, what will be the mean of the new numbers?
Given,
Mean of 12 numbers = 40
Sum of these numbers = 12 × 40 = 480
When each number is divided by 8
The new sum becomes =
New mean =