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.)

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Count the number of squares in the picture below.

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Which alphabet letter is a question?