Basic probability of events with dice, cards and coins.
Test yourself on Probability
5 real OD Police PC questions with instant answers — no signup, ~3 minutes.
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
Q1 · Probability · HARD
A bag contains 5 red balls, 4 green balls, and 3 blue balls. If two balls are drawn at random without replacement, what is the probability that both are red?