Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

how come the second man dies?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

Can you count the number of lines in the below picture?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

If 21x = 79x, what is the value of x?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?