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Average age of 3 children born at intervals of 2 years is 8. How old is the eldest child?

A2 years

B7 years

C8 years

D10 years

Answer:

D. 10 years

Read Explanation:

x + (x + 2) + (x + 4) = 3 x 8 3x + 6 = 24 3x = 18 x = 6 Eldest child: 6 + 4 = 10 years


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