2026

Mathematics & Logic

8 Probability Puzzles to Boost Your Chance Savvy

Put your mid-level probability knowledge to the test across varied scenarios involving draws, flips, and predictions.

#probability drills#event combos#risk calculations#math probabilities#logic chances#medium odds

Quiz Intelligence

Total Questions

8

Difficulty Level

medium

Progress

0/0

0%

Quiz Questions

Answer all questions below and test your knowledge.

1
A bag has 5 green marbles and 3 yellow ones. What is the probability of drawing a green marble first and a yellow second, without replacement?
Question 1
2
You roll two fair six-sided dice. What is the probability that the sum is exactly 7?
Question 2
3
In a family with two children, given at least one is a boy, what is the probability both are boys?
Question 3
4
A coin is flipped three times. What is the probability of getting exactly two heads?
Question 4
5
The expected value of a single roll on a fair die is:
Question 5
6
Drawing cards from a standard deck without replacement: probability first is ace, second is king?
Question 6
7
In the Monty Hall problem, after picking door 1 and host opens door 3 (goat), probability door 2 has car?
Question 7
8
Approximately, how many people needed in a room for >50% chance two share birthday (ignoring leaps)?
Question 8

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8 Probability Puzzles to Boost Your Chance Savvy

Quiz Intelligence

Quiz Questions

A bag has 5 green marbles and 3 yellow ones. What is the probability of drawing a green marble first and a yellow second, without replacement?

You roll two fair six-sided dice. What is the probability that the sum is exactly 7?

In a family with two children, given at least one is a boy, what is the probability both are boys?

A coin is flipped three times. What is the probability of getting exactly two heads?

The expected value of a single roll on a fair die is:

Drawing cards from a standard deck without replacement: probability first is ace, second is king?

In the Monty Hall problem, after picking door 1 and host opens door 3 (goat), probability door 2 has car?

Approximately, how many people needed in a room for >50% chance two share birthday (ignoring leaps)?