Probability of the Same Colour

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?




Similar Riddles

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

Asked by Neha on 26 Sep 2024


Can you find the dog hidden in a group of pandas?

Dog amongst Pandas

Asked by Neha on 16 Feb 2025

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Asked by Neha on 05 Aug 2023


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

Asked by Neha on 27 Feb 2024

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Asked by Neha on 19 Oct 2025

What is Luis Suarez's (Soccer Player) favorite tea?

Asked by Neha on 26 May 2026


Which wheel of car does not rotate when you turn your car right?

Asked by Neha on 08 Aug 2021

What goes up but never comes down?

Asked by Neha on 26 Oct 2021

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Asked by Neha on 15 Nov 2024


If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Asked by Neha on 07 Apr 2026

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Amazing Facts

Jigsaw puzzles

Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.