When it's bad luck to meet a black cat?

What is the difference between a jeweller and a jailer?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Identify The phrase in the picture.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Can you identify the famous TV character from the rebus below?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

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