Question 138

If 90% of A = 30% of B and B = (2x)% of A, then the value of x is

Solution

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it is given that 90% of A = 30% of B

$$\frac{90}{100}$$ A = $$\frac{30}{100}$$B

B = 3A

it means B is 300 % of A

hence B = (2 x 150)% of A

so x = 150 %

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