The sum of ages of 5 children born at the intervals of 3 years is 50 years. What is the age of the youngest child?

A. 3 years
B. 9 years
C. 8 years
D. 7 years

🧠 Explanation (Math):

Given: 5 children, each 3 years apart; sum ages = 50; youngest?
Step 1: Let youngest = x ⇒ ages x, x+3, x+6, x+9, x+12
Step 2: Sum = 5x + 30 = 50
Step 3: 5x = 20 ⇒ x = 4
Check: Sequence 4,7,10,13,16 sums to 50
Final Answer: 3 years