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If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick? - Mathematics

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प्रश्न

If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?

योग
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उत्तर

Let the total weight of chalk be x g.

Then, x of 12% = 3

x × 12% = 3

`x xx 12/100 = 3`

x = `(3 xx 100)/12`

x = 25g

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Comparing Quantities - EXERCISE 7.2 [पृष्ठ १२२]

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एनसीईआरटी Mathematics [English] Class 7
अध्याय 7 Comparing Quantities
EXERCISE 7.2 | Q 7. (ii) | पृष्ठ १२२

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