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[p] is the greatest integer less than or equal p. What is the value of

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New post 22 May 2017, 00:18
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[p] is the greatest integer less than or equal p. What is the value of \([π-1]\)?

A. 2
B. 3
C. 4
D. 5
E. 6

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Re: [p] is the greatest integer less than or equal p. What is the value of  [#permalink]

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New post 22 May 2017, 03:41
MathRevolution wrote:
[p] is the greatest integer less than or equal p. What is the value of \([π-1]\)?

A. 2
B. 3
C. 4
D. 5
E. 6


\(\pi\) = 3.14
3.14 - 1 = 2.14
[p] is the greatest integer less than or equal p.
Therefore [2.14] = 2
Answer A...

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Re: [p] is the greatest integer less than or equal p. What is the value of  [#permalink]

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New post 22 May 2017, 03:51
π = 3.1416....
So π-1 = 2.1416...

We have to find [π-1] = [2.1416...]
So what is the greatest integer which is less than or equal to 2.1416....?

There is no integer which is equal to 2.1416... (since this is not an integer)
And now out of all integers less than 2.1416... (which are 2, 1, 0, -1, -2, ... in descending order)-
the Greatest is 2.


Hence answer is A
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Re: [p] is the greatest integer less than or equal p. What is the value of  [#permalink]

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New post 23 May 2017, 23:33
==>You get π-1=3.14-1=2.14, and thus [π-1]=[2.14]=2. The answer is A.
Answer: A
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Re: [p] is the greatest integer less than or equal p. What is the value of   [#permalink] 23 May 2017, 23:33

[p] is the greatest integer less than or equal p. What is the value of

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