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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

If A : B = 3 : 5 and B : C = 4 : 7, find A : B : C. - Mathematics

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प्रश्न

If A : B = 3 : 5 and B : C = 4 : 7, find A : B : C.

बेरीज
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उत्तर

A : B = 3 : 5

`= 3/5 : 1`      ...(Dividing by 5)

and B : C = 4 : 7

`= 1 : 7/4`      ...(Dividing by 4)

∴ A : B : C = `3/5 : 1 : 7/4`

= 12 : 20 : 35      ...(Multiplying by 5 × 4 = 20)

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पाठ 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

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सेलिना Concise Mathematics [English] Class 7 ICSE
पाठ 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 5.1

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