I have branches, but no fruit, trunk or leaves. 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?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

If 1+9+8=1, what is 2+8+9?

What does this rebus means ?

PROG WORKRESS

Name a key which is hardest to turn.

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?