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?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Where do fish keep their money?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

What word is represented by this rebus?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

what does the below rebus mean?