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

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Asked by Neha on 19 Nov 2024


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

Asked by Neha on 27 Sep 2024

Can you spot the man between the coffee bean in the picture below ?

Spot the Man

Asked by Neha on 31 Aug 2021


You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Asked by Neha on 23 Oct 2021

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Asked by Neha on 15 Nov 2023

What does a man do only once in his lifetime, but women do once a year after they are 29?

Asked by Neha on 10 Aug 2025


Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Asked by Neha on 26 May 2023

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Asked by Neha on 19 Oct 2024

Can you spot the hidden girl in the picture below?

Spot the Girl

Asked by Neha on 06 Feb 2025


Why is the longest human nose just 11 inches?

Asked by Neha on 17 Aug 2021

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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.