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

If 20% of a=b then b% of 20 is the same as- Correct Answer 4% of a

20% of a = b<math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>20</mn><mn>100</mn></mfrac><mo>&#xD7;</mo><mi>a</mi><mo> = </mo><mi>b</mi></math>b = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mi>a</mi><mn>5</mn></mfrac></math>b% of 20 = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mi>b</mi><mn>100</mn></mfrac><mo>&#xD7;</mo><mn>20</mn></math> = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mi>a</mi><mn>5</mn></mfrac><mo>&#xD7;</mo><mfrac><mn>20</mn><mn>100</mn></mfrac><mo> = </mo><mfrac><mn>4</mn><mn>100</mn></mfrac><mo>&#xD7;</mo><mi>a</mi></math> = 4% of a
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