At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Aruns age will be 26 years. What is the age of Deepak at present ?
12 years
15 years
19 and half
21 years
Explanation:
Let the present ages of Arun and Deepak be 4$ x $ years and 3$ x $ years respectively. Then,
4$ x $ + 6 = 26 $\Leftrightarrow$ 4$ x $ = 20
$ x $ = 5.
$\therefore$ Deepaks age = 3$ x $ = 15 years.