How can you make number one disappear by adding something to it?

What has to be broken before you can use it?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?