what does this picture(rebus) riddle means ?

How many times in a given day, minutes and hour clock comes in a straight line ?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

Why do we preferably have round manhole covers and not square ones?

Count the number of balls in picture below:

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

What can you catch but never throw?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Can you replace the question mark with the correct number?

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?