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Standard V

Mathematics

Multiplication of Numbers More Than 1 Digit

If the numera...

Question

If the numerator is multiplied by 3 it becomes equal to 1, however if 2 is deducted from denominator it becomes equal to 1, the number is___.

5/7

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3/7

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5/8

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1/3

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Solution

The correct option is D 1/3
Let the number be $\frac{x}{y}$

As per question

$\frac{3 x}{y} = 1 \to \frac{x}{y} = \frac{1}{3}$

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If the numerator is multiplied by 3 it becomes equal to 1, however if 2 is deducted from denominator it becomes equal to 1, the number is___.

The correct option is D 1/3Let the number be xyAs per question3xy=1→xy=13

The correct option is D 1/3
Let the number be $\frac{x}{y}$

As per question

$\frac{3 x}{y} = 1 \to \frac{x}{y} = \frac{1}{3}$