If 90% of A = 30% of B and B = 2y% of A, then the value

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If 90% of A = 30% of B and B = 2y% of A, then the value of y is

1. 450
2. 400
3. 300
4. 150

Correct Option: D

Given that , 90% of A = 30% of B and B = 2y% of A

⇒	A × 90	=	B × 30
	100		100

⇒ 3A = B

⇒ 3A = A ×	2y
	100

⇒ 300 = 2y ⇒ y = 150