Probability
SSC CGL Tier II Quant. Try each one first, then open its answer.
Top 6 SSC CGL Tier II PYQs to practise first
The questions and kinds of question asked most often come first. Each one says how often and in which papers.
Question 1
This type asked 3 times: 3 Mar 2023 Tier II, 6 Mar 2023 Tier II, 18 Jan 2025 Tier II. This one: 18 Jan 2025 Tier II See all 3 of this type
7Let A and B be two players who are playing the game to hit the target. The probabilities of hitting the target by A and B is and , respectively. What is the probability that exactly one of them hit the target?Tap an option to check your answer.
Question 2
Asked once: 6 Mar 2023 Tier II (same type asked 3 times) See all 3 of this type
8The probabilities of solving a problem by three students A, B and C are , and , respectively. The probability that problem will be solved is:Tap an option to check your answer.
Question 3
Asked once: 3 Mar 2023 Tier II (same type asked 3 times) See all 3 of this type
27A speaks the truth 5 out of 7 times and B speaks truth 8 out of 9 times. What is the probability that they contradict each other in stating the same fact?Tap an option to check your answer.
Question 4
Asked once: 26 Oct 2023 Tier II
13Three cards are drawn one after another with replacement from a pack of cards. What is the probability of getting first card a Jack, second card a black card, and third card an even numbered card?Tap an option to check your answer.
Question 5
Asked once: 7 Mar 2023 Tier II
3A person can hit a target 5 times out of 8 shots. If he fires 10 shots, what is the probability that he will hit the target twice?Tap an option to check your answer.
Question 6
Asked once: 2 Mar 2023 Tier II
6A glass jar contains 6 white, 8 black, 4 red and 3 blue marbles. If a single marble is chosen at random from the jar, what is the probability that it is black or blue?Tap an option to check your answer.