People make me, save me, change me, raise me. What am I?

Can you find out the remainder when 3^300 is divided by 5?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

I can write cow in 13 letters.

Can You?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Which is the smallest number that you can write using all the vowels exactly once?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?