The sum of ages of 5 children born at intervals of four years is 80. What is the age of the eldest child?

This question was previously asked in

RRB JE Previous Paper 12 (Held On: 26 May 2019 Shift 1)

- 16
- 24
- 18
- 28

Option 2 : 24

Free

Making of Constitution I

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15 Questions
15 Marks
9 Mins

Let the age of a child be X

Age of 5 children is X, X + 4, X + 8, X + 12, X + 16

Therefore,

X + X + 4 + X + 8 + X + 12 + X + 16 = 80

→ 5X + 40 = 80

→ X = 8

→ X + 16 = 24

Hence, the eldest child among them is 24 years old.

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