Can you count the number of squares in the given picture?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Can you Find and name the hidden bird in the picture below ?

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

If you say my name, I will no longer exist. What am I?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

how come the second man dies?

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?