There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

What seven-letter word has hundreds of letters in it?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Why did the Girl throw the butter out of the window?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

A sundial has the fewest moving parts of any timepiece. Which has the most?