Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

I am an odd number. Take away a letter and I become even. What number am I?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

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?

Take away the whole and some still remain. What is it?

Can you replace the question mark with the correct number?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?