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

What number comes next in the series?

5 15 5 18 5 24 14 20 _

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

What brings you down but never up?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

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

In which direction should the missing arrow point?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Name a key which is hardest to turn.