Question

EXERCISE 2.4 Find the average of e a. 23, 16, 27, 34​

Answer 1

Answer:

Sum of the ages of 3 friends =3×23=69years

Sum of the ages of 4 friends =4×23=92years

∴ Age of 4th friend = 92 years - 69 years = 23 years.

Answer 2

$\: \: \: \: \: \: \: \: \: \: \:$

Sum of the ages of 3 friends =3×23=69years

Sum of the ages of 4 friends =4×23=92years

∴ Age of 4th friend = 92 years - 69 years = 23 years.