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The product of 2 fractions is square of 3. If one of the fraction is 3/7. Find the other number.

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The product of 2 fractions is square of 3. If one of the fraction is 3/7. Find the other number.
1. 34
2. 21
3. 71
4. 39
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Correct Answer - Option 2 : 21

Given:

Product = square of 3

First fraction = 3/7

Calculation:

Let assume the number be p

According to the question:

⇒ 3/7 × p = 9

⇒ p = 9 × 7/3

⇒ p = 21 

∴ The other number is 21.

The correct option is 2 i.e. 21

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