Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Four years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?	Choose the correct option.
A) Can't be determined	B) 40	C) 27	D) 32	E) None of these
Explanation:   Let the present ages of Sameer and Anand be 5x years and 4x years respectively.   Then, (5x+4)/(4x+4)=11/9   ⇒ 45x + 36 = 44x + 44⇒ 9(5x +4 ) = 11(4x + 4)   ⇒ 45x - 44x = 44 - 36= 
<gadget id="calculator">44 - 36</gadget>
<output>8</output>
8.   Anand's present age= 4x = 32 years.   Answer: 32
<result>D</result>
Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Four years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?