There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What number should come in place of the question mark below?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Who is that with a neck and no head, two arms and no hands? What is it?

Can you make a fire with just a single stick?