What is wrong in the below Picture?

What kind of band never plays music?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.