Question

If x and y are two numbers such that their sum exceeds their product by 1. Then the integral value of x if x:y = 1:2

• A. 2 only
• B. 1 only
• C. Both 2 and 1
• D. 3
• E. Data insufficient

Answer 1

The correct option is C

Both 2 and 1

x + y = xy + 1

x : y = 1: 2

2x${}^2$ - 3x + 1 = 0

x= 2, 1