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Check Whether the Following Quantities Form a Proportion Or Not? 2 1/2, 5 1/2, 3.0 "And" 6.0 - Mathematics

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Question

Check whether the following quantities form a proportion or not?

`2 1/2, 5 1/2, 3.0  "and"  6.0`

Sum

Solution

`2 1/2, 5 1/2, 3.0  "and"  6.0`  are in proportion

if `2 1/2 xx 6.0 = 5 1/2 xx 3.0`

`=> 5/2 xx 6.0 = 11/2 xx 3.0 => 30/2 = 33/2`

which is not true.

Hence `2 1/2, 5 1/2, 3.0  "and"  6.0`  are not in proportion.

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

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 1.5
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