Success is the sum of small efforts repeated day in and day out.— Robert Collier

Probability — quick quiz

5 real SOF IMO questions on Probability. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

A box contains cards numbered 1 to 50. One card is drawn at random from the box. What is the probability that the number on the card is divisible by both 2 and 5?