The total age of A and B is 12 years more than the total age of B and C. C is how many year younger than A
Select.
A) 11  B) 12  C) 13  D) 14  E) 15
Explanation:   Given that A+12= 
<gadget id="calculator">+12</gadget>
<output>12</output>
12 + 12 + C=&gt; A – C = 12 + 12 – 12 = 12   =&gt; C is younger than A by 12 years   Answer: Option 12
<result>B</result>
The total age of A and B is 12 years more than the total age of B and C. C is how many year younger than A