If 80% of A = 20% of B and B = 5x% of A, then the value of x is - Mathematics

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MCQ

If 80% of A = 20% of B and B = 5x% of A, then the value of x is

Options

  • 75

  • 80

  • 90

  • 85

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Solution

80

Explanation:

`(80"A")/100=(20"B")/100`

B = 4A

`"B"=(5"x A")/100`

`4"A"=(5"x A")/100`

80 = x

Concept: Percentage, Discount and Partnership (Entrance Exam)
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