By which rational number would you multiply 5-12 - to get the product 1-1 MARK-

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Standard VII

Mathematics

Addition and Subtraction of Rational Numbers

By which rati...

Question

By which rational number would you multiply $\frac{5}{12}$ , to get the product 1?
[1 MARK]

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Solution

Concept : 0.5 Mark
Calculation : 0.5 Mark

Let $x$ be the required rational number.

Then, $\frac{5}{12} \times x = 1$

$x = \frac{12}{5}$ .

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Similar questions

Q. A rational number is such that when you multiply it by

\frac{5}{2}

and add

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to the product, you get

- \frac{7}{12}

. What is the number?

A rational number is such that when you multiply it by 5/2 and add 3/2 you get _7/12. What is the number?

Q. A rational number's such that when you multiply it by

\frac{5}{2}

and add

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\frac{- 7}{12}

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Question 13
A rational number is such that when you multiply it by $\frac{5}{2}$ and add $\frac{2}{3}$ to the product, you get $- \frac{7}{12}$ . What is the number?

Question 13
A rational number is such that when you multiply it by $\frac{5}{2}$ and add $\frac{2}{3}$ to the product, you get $- \frac{7}{12}$ . What is the number?

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By which rational number would you multiply 512 , to get the product 1? [1 MARK]

Concept : 0.5 Mark Calculation : 0.5 Mark Let x be the required rational number. Then, 512×x=1 x=125.

By which rational number would you multiply $\frac{5}{12}$ , to get the product 1?
[1 MARK]

Concept : 0.5 Mark
Calculation : 0.5 Mark

Let $x$ be the required rational number.

Then, $\frac{5}{12} \times x = 1$

$x = \frac{12}{5}$ .