Who is that with a neck and no head, two arms and no hands? What is it?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Our product and our sum always give the same answer. Who are we?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

How many times can you subtract the number two from the number fifty?