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

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There is a ratio of 5: 4 between two numbers. If 40 % of the first number is 12, then what would be 50 % of the second number?

1. 12
2. 24
3. 18
4. Data Inadequate

Correct Option: A

Let the numbers be 5k and 4k respectively
According to the question,

5k ×	40	= 12
	100

⇒ 2k = 12 ⇒ k = 6

∴ 4k of 50% = 4 × 6 ×	1	= 12
	2