Rationalize the denominator of the following and write the answer :

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None of these

answer is A.

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Detailed Solution

Concept- Rationalize the denominator of

r is

.
We must first determine the cost price of 10 mangoes and the selling price of 10 mangoes in order to calculate the gain or loss percentage. We'll accomplish this by applying the idea of the unitary technique. Following that, we can assess whether we gained or lost. Once we get that, we will apply the formula to determine its percentage.
Let's examine the number required to rationalize the denominator in order to begin answering this question.
Just to help you better comprehend it, let's use an example.
Now, in thisQuestion we have given

, to rationalize this we have to multiply the numerator and denominator by

to make it into an integer.
After multiplying we get,
Question Image

Hence, option 1 is correct.

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