The present ages of A,B & C are in the ratio of 5:7:8. 7years ago, the sum oftheir ages was 59. What is the present age of eldest one?	Answers.
A) 30
B) 31
C) 32
D) 35
E) 36
Let their present ages be 5x, 7x and 8x.   7 years ago, sum of their ages was 59.   Sum of their present ages = 59 +( 3 x 7) = 80   Sum of their present ages given is 5x + 7x + 8x = 20x   20x   5  + 7  + 8= 
<gadget id="calculator">  5  + 7  + 8</gadget>
<output>20</output>
20x   20x= 80 =&gt;x = 80 20   =4   Age of the Eldest one= 8x = 8x 4 = 32 years.   32
<result>C</result>
The present ages of A,B & C are in the ratio of 5:7:8. 7years ago, the sum oftheir ages was 59. What is the present age of eldest one?