Reema types 540 words in 30 minutes. How many words will she be able to type in 6540 minutes?

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117720

12256

25568

None of these.

answer is A.

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Detailed Solution

Concept- Use a single method to resolve this question. First find the words entered by Reema in 1 minute, then multiply them by the fraction asked in the question to get the answer.
Given, in 30 minutes, the total number of words entered by Reema is equal to 540 words. Now, to get the words entered by Reema in 1 minute, divide the total number of words by the total time. So we get Total number of words Reema entered in

Now, to get the number of words entered by Reema in "n" minutes, multiply "n" by the number of words entered by Reema per minute. So, we get Total number of words Reema entered in `n` minutes = 18n words. So, to get the number of words that Reema can type in 6540 minutes, substituting n = 6540 into the above formula gives:
Total number of words that Reema can enter in

Therefore, Reema can enter 117,720 words in 6540 minutes.
Hence, the correct answer is option 1) .

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