In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What has a ring but no finger?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Why is it very easy to weigh a fish?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?