1.  Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers ?
A. 12 & 7
B. 13 & 8
C. 15 & 10
D. 14 & 9

Answer: Option A

Explanation:

x – y = 5

4x – 6y = 6

x = 12 y = 7