Question

ajay's father is 4 times as old as ajay. after 20 years, his age will be twice ajay's age find thier present age

Answer 1

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Answer 2

Let Ajay's age be x years

so Ajay's father's age= 4x

as per the given condition,

$4x + 20 = 2(x + 20) \\ 4x + 20 = 2x + 40 \\ 4x - 2x = 40 - 20 \\ 2x = 20 \\ x = 20 \div 2 \\ x = 10 \\ \\ thus \\ Ajay's \: present \: age = x = 10 \\ and \: his \: fathers \: present \: age = 4x = 4 \times 10 = 40$


Ans: Ajay's present age is 10 years and his father's present age is 40 years