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By CTech

**Question: **What is the next sequence of numbers and why?
1
11
21
1211
111221
312211

**Answer: **13112221
Read off the digits of the previous member and count the number of digits in groups of the same digit.
There is one # 3, one # 1, two #2s, and two #1, thus, 13112221.

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*1k views**71 ratings**1 saves*

By CTech

**Question: **I'm as small as an ant, as big as a whale.
I'll approach like a breeze, but can come like a gale.
By some I get hit, but all have shown fear.
I'll dance to the music, though I can't hear.
Of names I have many, of names I have one.
I'm as slow as a snail, but from me you can't run.

**Answer: **Your shadow

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By CTech

**Question: **Can you make this equation true by drawing on straight line?
5 + 5 + 5 = 550

**Answer: **There are two answers
Easy: Draw a diagonal line through the equal sign
Hard: Draw a diagonal over the + so that the sign turns into a 4

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*25k views**23 ratings**1 saves*

By CTech

**Question: **Two spies want to get in an enemy's military base. In order to get in they have to give the correct countersign to the guard at the gate after he gives them the sign. So, they wait hidden nearby the gate so that they will overhear the countersign from another soldier.
One soldier comes and the guard gives the sign: "6". The soldier answers "3". The guard lets him pass. Another soldier comes. The guard says "12" and the soldier gives the answer "6". The guard lets him pass. So, the first spy goes at the gate and the guard says "10".The spy, sure that he knew the answer as he was, says "5". Immediately, the guard shoots him dead.
Then the other spy, who saw that the other spy was killed when he gave the countersign, had now understood what the right answer would be, whatever the guard's sign was.So, he walks to the gate and the guard says "8".The spy gives the correct answer and the guard lets him in. What was the answer that the spy gave?

**Answer: **5. It's the number of letters it takes to spell the word the guard says.

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