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If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

2 : 5
3 : 7
5 : 3
7 : 3

Correct Answer: 5 : 3

Explanation:

Let 40% of A =	2	B
	3

Then,	40A	=	2B
	100		3

⟹	2A	=	2B
	5		3

⟹	A	=	❨	2	x	5	❩	=	5
	B			3		2			3

∴ A : B = 5 : 3.

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