Two numbers are in the ratio 1 : 3. If their sum is 240,

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Two numbers are in the ratio 1 : 3. If their sum is 240, then their difference is

1. 120
2. 108
3. 100
4. 96

Correct Option: A

Let the numbers be 3x and x,
Then, 3x + x = 240
⇒ 4x = 240

⇒ x =	240	= 60
	4

∴ Difference = 3x – x = 2x
= 2 × 60 = 120