The sum of two numbers x and y is 48 and their difference is 6. Then x : y = ?
Answer & explanation
Correct answer: option 3
Here,
x + y = 48 ..(1.)
x - y = 6 ..(2.)
2x = 54
⇒ x = 27,
Putting in (1.)
⇒ 27 + y = 48
⇒ y = 48 - 27
⇒ y = 21,
⇒ Ratio of x and y = 27 : 21 = 9 : 7.