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  • Check whether 3.5,4.9,3 and 4.2 are in proportion or not.

Check whether 3.5,4.9,3 and 4.2 are in proportion or not.

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We have :

3.5:4.9=frac3.54.9=frac3549=frac57=5:7

3:4.2=frac34.2=frac3042=frac57=5:7

herefore , 3.5:4.9 ::3:4.2

Hence the numbers 3.5,4.9,3 and 4.2 are in proportion.

Posted by

Deependra Verma

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