Do You See It?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

I have Rs.50 and I spend it in the way as below.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find the hidden animal in the picture below?

Can you find the mistake in the below statement?

In the four images below, can you find the odd one out?

Why is the Hole below a Lock?

In the picture given below, can you find out which digit will take place of the question mark?

What does does this rebus picture means ?