Question

The sum of two numbers is 99; and their difference is 27. Which is the smaller number among them?

• A. 27
• B. 72
• C. 63
• D. 36

Answer 1

Answer:

D. 36

One Number = x Second Number = y According to question; x + y = 99 ------(1) x - y = 27 -------(2) Subtract equation (2) from equation (1) (x + y) - (x- y) = 99 - 27 2y = 72 y = 36 x + 36 = 99 x = 99 - 36 x = 63