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

Probability — quick quiz

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

Question 1 of 5

MEDIUM

In a class of 50 students, 30 study Mathematics, 25 study Physics, and 10 study both subjects. If a student is selected at random, what is the probability that the student studies Mathematics or Physics?