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A student used the proportion n100=532 to find 5% of 32. What did the student do wrong? - Mathematics

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Question

A student used the proportion `n/100 = 5/32` to find 5% of 32. What did the student do wrong?

Sum

Solution

Given, student used the proportion `n/100 = 5/32`

⇒ 5% of 32 will be calculated as `5/100 xx 32`

Since, x% of `n = x/100 xx n`

= `32/20`

= 1.6

But student finding percent is 5 of 32.

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Chapter 9: Comparing Quantities - Exercise [Page 304]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 9 Comparing Quantities
Exercise | Q 123. | Page 304

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