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The sum of ages of 5 children born at the intervals...

This question belongs to Arithmetic Ability Problems On Ages
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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?

Answer & Solution
Correct Answer: Option A
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.
Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
⇒ 5x = 20
⇒ x = 4.
∴ Age of the youngest child = x = 4 years.
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Jitendra Patel
Jitendra Patel 8 years ago
if x is 25% of y then y is what percent of x ?
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