The sum of the age of 6 children born at the interval of 2 years is 60 years, What is the age of the youngest child?
A ) 5 ✅
B ) 6
C ) 9
D ) 7
Explanation:
It is given that the six children were born at the interval of 2 years , Let consider their age as- x years ( age of youngest child) ( x+2) years ( age of 2nd child) (x+4) years ( age of 3rd child ) (x+6) years (age of 4 th child) (x+8) years ( age of 5th child) ( x+10) years ( age of 6th child) Given- the sum of ages of 6 children is 60 therefore according to the question :- ( x+x+2+x+4+x+6+x+8+x+10) = 60 6x + 30= 60 6x = 60-30=30 x = 30/ 6 = 5 ∴ The age of youngest child is 5