The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence?
Choose the correct choice from the following.
A) 40  B) 45  C) 70  D) 12  E) 25
Answer: Option C   a + b = 60, a = 2b   2b + b = 60 =&gt; b = 20 then a = 40.   5 years, their ages will be 45 and 25.   Sum of their ages = 45 + 25= 
<gadget id="calculator">45 + 25</gadget>
<output>70</output>
70.
<result>C</result>
The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence?