I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Find the hidden tiger in the given optical illusion ?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

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.

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What Does this text mean:

important=important

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

What does this Rebus Picture means ?