# Tag Archives: QA – Placement Quizzes-Probability

take four arbitrary points on a sphere as the vertices of a tetrahedron. What is the probability that the centre of the sphere will be… Read More
A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are not… Read More
Two cards are drawn together from a pack of 52 cards. What is the probability that one is a spade and one is a heart?… Read More
From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings? (A) 1/15… Read More
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even? (A) 7/9 (B) 5/8 (C) 3/4 (D) 1/2… Read More
What is the probability of getting a sum of 9 from two throws of a dice? (A) 1/3 (B) 1/6 (C) 1/9 (D) 1/12 Answer:… Read More
A number p is chosen at random from the numbers [-3, 3]. What is the probability that value of p < 2 (A) 3/7 (B) 5/7… Read More