# Raghu’s age after 15 years will be 5 times his age 5 years back. What is the present age of Raghu ?

$\par&space;Let&space;Raghu's&space;present&space;age&space;be&space;x&space;years.&space;Then,$

$\par&space;Raghu's&space;age&space;after&space;15&space;years&space;=&space;(x&space;+&space;15)&space;years.$

$\par&space;Raghu's&space;age&space;5&space;years&space;back&space;=&space;(x&space;-&space;5)&space;years.$

$x&space;+&space;15&space;=&space;5(x&space;-&space;5)$

$x&space;+&space;15&space;=&space;5x&space;-&space;25$

$4x&space;=&space;40$
$x&space;=&space;10$