In 1984, Ike was 24 yrs old and his father was 45 yrs old. In what year was Ike exactly half his father’s age?

A.
1981 
B.
1979 
C.
1982 
D.
1978
Correct Answer: Option A
Explanation
Let the no. of years be y
24 – y = (frac{1}{2})(45 – y)
45 – y = 2(24 – y)
45 – y = 48 – 2y
2y – y = 48 – 45
∴ y = 3
The exact year = 1984
1984 – 3 = 1981