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If 20% of a = B, Then B% of 20 is the Same as - Mathematics

MCQ

If 20% of a = b, then b% of 20 is the same as

Options

  • 4% of a

  • 5% of a

  • 20% of a

  • None of these

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Solution

4% of a
Explanation : 
20% of a = b

⇒ `20/100a = b`

∴ `b% of 20 = 20/100axx1/100xx20`

        `4/100a=4%` of a

Concept: Percentage, Discount and Partnership (Entrance Exam)
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