You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Can you find out the missing number in the grid?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?