What is the riddle which can be asked all day with a different correct answer each time.

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

10+10 and 11+11 can give you the same answer.

Explain how?

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

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What is the next number in the series?

15 29 56 108 208 ?

What word begins and ends with an E, but has only one letter?