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.)

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

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

What has 13 hearts but no other organs?

Count the number of triangles in the picture below:

Bay of Bengal is in which state?

I have Rs.50 and I spend it in the way as below.

The centre of the third figure is empty. What digit should fit inside?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.