Which number should replace the question mark?

What kind of band never plays music?

What does this mathematical rebus means ?

What brings you down but never up?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Identify The phrase in the picture.

Out of four images which one is the odd one out?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

I am quite hot but become too cold if you remove the first two letters. What am I?

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?