A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

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?

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

Can you find a five letter word that is left with only two letters if one is removed?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

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

What breaks yet never falls, and what falls yet never breaks?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

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