Ravi’s father is three times as old as old as Ravi. If sum of their ages is 56 years, find their present ages. 9 added to twice a number gives 13. Find the number. Step by step explanation is required!!

Ravi’s father is three times as old as old as Ravi. If sum of their

1.	Ravi’s father is three times as old as old as Ravi. If sum of their ages is 56 years, find their present ages. 9 added to twice a number gives 13. Find the number. Step by step explanation is required!!
Answer» <html><body><p>Correct option isA5Let Ravi's present age be x <a href="https://interviewquestions.tuteehub.com/tag/years-1464846" style="font-weight:bold;" target="_blank" title="Click to know more about YEARS">YEARS</a>.After 15 years, his age will be (x+15) years.It is <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> that after 15 years, Ravi's age will be <a href="https://interviewquestions.tuteehub.com/tag/four-464592" style="font-weight:bold;" target="_blank" title="Click to know more about FOUR">FOUR</a> times his present age.∴4x=x+15⇒4x−x=15⇒3x=15⇒x= <a href="https://interviewquestions.tuteehub.com/tag/fract-1t-3-315-307072" style="font-weight:bold;" target="_blank" title="Click to know more about 315">315</a> =5Hence, Ravi's present age is 5 years.</p></body></html>