If 90% of A = 30% of B and B = y% of A, then the value of

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If 90% of A = 30% of B and B = y% of A, then the value of y is

1. 800
2. 300
3. 700
4. 400

Correct Option: B

Given that , 90% of A = 30% of B

A ×	90	=	B × 30
	100		100

⇒ A × 3 = B
⇒ A × y% = A × 3

⇒	y	= 3 ⇒ y = 300
	100