The proportion of the ages of Pooja and Charlie is 2 : 5, After 8 years, their ages will be in the proportion of 1 : 2. Then what is the variance in their current ages? Choose the correct choice.
A) 36 years  B) 28 years  C) 24 years  D) 19 years  E) 30 years
24 years   24 years   Let Pooja’s age = 2A   and 24 yearsharlie’s age = 5A   (2A + 8)/(5A+8)= (1/2)   =&gt; 2 (2A + 8) = 5A + 8   =&gt; A = 8   Pooja’s age = 16 years   and 24 yearsharlie’s age = 40 years   variance of their ages = 24 years.
<result>C</result>
The proportion of the ages of Pooja and Charlie is 2 : 5, After 8 years, their ages will be in the proportion of 1 : 2. Then what is the variance in their current ages?