This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What month of the year has 28 days?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

Can you count the number of squares in the given picture?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What is next number in the pattern below:

131 517 192 123 ?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)