A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Can you find a rabbit in the given picture?

What always comes into a house through the keyhole?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Prove that twice of ten is the same as twice of eleven.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What is the next number in this matchsticks series riddle?

What is wrong in the below Picture?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?