I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Why 1729 is a magic number? Answer Logically.

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

What came first, the chicken or the egg?

What occurs twice in a week, once in a year but never in a day?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?