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?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

I have branches, but no fruit, trunk or leaves. What am I?

why number 8549176320 is one of a kind?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How is the moon similar to a dollar?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?