Question

The average age of 5 boys is 12 years if one of them is 10 years. what is the average age of remaining boys

Answer 1

$\huge\mathfrak\blue{Answer}$

If average of 5 boys is 12 years

then

Sum of their ages is 5 x 12 = 60 years

So, the sum of ages of 4 boys = 60 - 10 = 50 years

As per tha formula

Average = sum of the observation ÷ No. of the observation

50 ÷ 4 = 12.5 years

Answer 2

Answer:

50*4=

12 years

Step-by-step explanation:

50*4==12.5=12