Question

**cmullen** · April 5th 2012, 11:22 PM

Hello,

Could anyone give me difficult various problems that will end in the result of 111. Why 111? I'm trying to prove a relationship between numbers for my class regarding Algebra.

Thanks.

**pickslides** · April 6th 2012, 12:27 AM

How about solve for $x$ where $x -\sin \frac{\pi}{2} = 0.001\times 10^5$

**a tutor** · April 6th 2012, 12:54 AM

Originally Posted by pickslides

How about solve for $x$ where $x -\sin \frac{\pi}{2} = 0.001\times 10^5$

but here x=101.

To the OP I would ask, what level are your students at? What relationship do you want to prove?

**Sylvia104** · April 6th 2012, 02:47 AM

I think this thread is better in the Math Puzzles section.

Here's a question for you. Find the largest integer $n$ such that $450!$ is divisible by $10^n.$

**Soroban** · April 6th 2012, 03:45 AM

Hello, cmullen!

Could anyone give me difficult various problems that will end in the result of 111?

$3 \times 37$

$1 +10 + 100 \:=\:\dfrac{10^3 -1}{10-1}$

$(10 + i\sqrt{11})(10 - i\sqrt{11})$

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