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Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

AlgebraQuadratic Equations

If the sum of the ages of two children is $12$ years and their product is $32$, which one is the elder?

A.$6$ years
B.$8$ yearsCorrect answer
C.$4$ years
D.$10$ years

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Quick fact: The elder child is $8$ years old.

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