Question

The arithmetic mean of 75 number is 35 if each number is increased by 5 then the mean of new number is

Answer 1

Answer:

Step-by-step explanation:

heya..

here is your answer..

When each number is increased by 5, the mean also get increased by 5 and new mean is 35 + 5 = 40

Lets see how this happens

Total = 75 × 35

When each number is increased by 5, total = 75 × 35 + 75 × 5 = 75 (35 + 5) = 75 × 40

New mean = 75 × 40 /75  = 40

it may help you..