The ratio of two numbers A and B is 5 : 8. If 5 is added to each of A and B, then the ratio becomes 2 : 3. The difference in A and B is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 15.
Let the two numbers be 5x and 8x.
According to the question,
(5x + 5) : (8x + 5) = 2 : 3
x = 5.
Difference of A and B = 8x - 5x = 3x
= 3 × 5 = 15.