Question

Kamla is four times as old as her son 5 years ago her son was one seventh of her age what is kamlas age now ​

Answer 1

The present age of Kamla is 40 years old

Solution:

Let the present age of Kamla son be "y"

Given that kamla is four times as old as her son

Hence kamla present age = 4y

Also given that 5 years ago her son was one seventh of her age

Hence we can say,

$\text { Age of her son } 5 \text { years ago }=\frac{1}{7} \times \text { (Kamla age } 5 \text { years ago) }$

$\begin{array}{l}{y-5=\frac{1}{7} \times(4 y-5)} \\\\ {7 y-35=4 y-5} \\\\ {7 y-4 y=-5+35}\\\\ {y=10}\end{array}$

Hence kamla present age = 4y = 4(10) = 40

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