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?

What seven-letter word has hundreds of letters in it?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

You see me once in June, twice in November, and not at all in May. What am I?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What am I?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?