SSC CGL 7 Sep 2016 Paper

Question : 55 of 100

Marks: +1, -0

Sum of two numbers is thrice their difference. Their ratio is

Solution:

Let the numbers be x and y.
According to the question,
x + y = 3(x – y)
⇒ x + y = 3x – 3y
⇒ 3x – x = y + 3y
⇒ 2x = 4y
⇒ x = 2y
⇒

x/y

2/1

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