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

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Asked by Neha on 11 Jul 2023


What number when divided in half becomes zero?

Asked by Neha on 20 Jul 2024

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

Asked by Neha on 03 May 2025


Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Asked by Neha on 19 Apr 2022

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

Asked by Neha on 23 Jun 2025

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Asked by Neha on 05 Apr 2025


You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Asked by Neha on 17 Nov 2024

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

Asked by Neha on 14 Jan 2021

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Asked by Neha on 03 Jul 2023


It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Asked by Neha on 06 Feb 2024

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Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.