Ratio of Ravi's and Ashok's present ages is 4:5 After 6 years it will be 5:6. What is Ravi's present age?
Choose the correct choice from the following choices:
A) 16 Years	B) 15 Years	C) 20 Years	D) 24 Years	E) 25 Years
Let present ages are 4x and 5x   After 6 years hence   4x+6/5x+6=5/6   After solving above eqn   X=6   So ravis present age become  4*6= 
<gadget id="calculator"> 4*6</gadget>
<output>24</output>
24   ANSWER:24 Years
<result>D</result>
Ratio of Ravi's and Ashok's present ages is 4:5 After 6 years it will be 5:6. What is Ravi's present age?