Birthdate together

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?




Similar Riddles

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

Asked by Neha on 30 Jul 2023


What does the below image rebus riddle means ?

Rebus Riddle

Asked by Neha on 04 Sep 2021

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Asked by Neha on 05 Sep 2025


What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Asked by Neha on 26 Mar 2022

what's the probability of getting a king or a queen from a pack of 52 cards?

Asked by Neha on 27 Sep 2024

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Asked by Neha on 14 May 2021


1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Asked by Neha on 03 Aug 2021

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Are You A Chess Player?

Asked by Neha on 08 Apr 2024

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Who is Who

Asked by Neha on 16 Mar 2021


John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Asked by Neha on 28 Nov 2023

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Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.