There is a ratio of 5 : 4 between two numbers. If 40 per

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There is a ratio of 5 : 4 between two numbers. If 40 per cent of the first is 12, then 50% of the
second number is

1. 12
2. 24
3. 18
4. 20

Correct Option: A

Let numbers = 5x and 4x

∴ 5x ×	40	= 12
	100

⇒ 2x = 12 ⇒ x = 6 and
Second number = 6 × 4 = 24

∴ 50% of 24 = 24 ×	50	= 12
	100