Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

How can you leave a room with two legs and return with six legs?

I have feet, but no legs. Which animal Am I?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

What goes up but never comes down?

Count the number of squares in the picture below.

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?