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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Two numbers are in the ratio 4 : 7. If their L.C.M. is 168, find the numbers. - Mathematics

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प्रश्न

Two numbers are in the ratio 4 : 7. If their L.C.M. is 168, find the numbers.

योग
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उत्तर

Given, Ratio in two numbers = 4:7

and their L.C.M. = 168

Let first number = 4x

and second number = 7x

Now, L.C.M. of 4x and 7x

= 4 × 7 × x = 28x

∴ 28x = 168

x = `168/28`

x = 6

∴ Required numbers = 4x and 7x = 4 x 6 = 24 and 7 x 6 = 42

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (A)

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सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (A) | Q 18

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