what does this picture(rebus) riddle means ?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

Before Mount Everest was discovered, what was the highest mountain in the world?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What is the coolest letter in the alphabet?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

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