Question

What are the ages of two individuals, x and y ? (i) the age difference between them is 6 yr. (ii) the product of their ages is divisible by 6?

Answer 1

$x - y = 6$
$xy = 6m$
$(y + 6)y = 6m$
${y}^{2} + 6y - 6m = 0$
$y = 6$
$x = 12$