The difference between the ages of a couple is 5 years. Ten years ago, the husband was twice as old as wife. The present age of the husband is  Choose the correct choice from the following answers:	A) 25	B) 45	C) 35	D) 75	E) 55
Let their ages of x years and (x + 5) years respectively.   Then, (x + 5) - 10 = 2(x - 10)   ⇔ x - 5 = 2x - 20   ⇔ x = 15.   ∴ Present age of the husband = (15 + 10)= 
<gadget id="calculator">(15 + 10)</gadget>
<output>25</output>
25 years.   25nswer:	25 years
<result>A</result>
The difference between the ages of a couple is 5 years. Ten years ago, the husband was twice as old as wife. The present age of the husband is