Question
The average age of three children is 22 years. If their
ages are in the ratio 2:4:5. Find the age of the youngest child. Section 3Solution
Total age of three children = 22 × 3 = 66 years Let their ages be 2x, 4x and 5x respectively. => 2x + 4x + 5x = 66 => 11x = 66 => x = 6 Therefore the age of youngest child = 6 × 2 = 12 years
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