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Whats your reaction to it? How can this be true?

0 votes
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The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think its wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

posted Jan 28, 2016 by Harshita Dhaliwal

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2 Answers

0 votes

25-55+(85+65)=120
5!(factorial)=5*4*3*2*1=120
so,
25-55+(85+65)=120=5!
it's true.

answer Jan 28, 2016 by Jaikumar Bhatia
0 votes

If you read the question again, you will probably notice the slight trick used in this question.

25 - 55 + (85 + 65) = 25 - 55 + 150 = 120

Now, 120 is also equal to 5!

5! = 5 * 4 * 3 * 2 * 1 = 120
Yes, we were talking about 5! (factorial) and if you read the question, thats what is written there.

answer Jan 29, 2016 by Avantika Agrawal



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