If seven persons are to be seated in a row, then the probability that two particular persons sit next to each other is
Making predictions based on chance is a key mathematical concept and CBSE 2024-2025 NCERT Maths Class 11th Chapter 14 Probability introduces students to its fundamentals. This chapter covers important topics such as random experiments, outcomes, sample space, events and probability of events. MCQ questions assess students’ ability to calculate probabilities, apply theoretical concepts and analyze different situations. Practicing these questions enhances logical thinking, problem-solving skills and accuracy. A strong grasp of probability is essential for higher studies in mathematics, statistics and science. Regular MCQ practice builds confidence and prepares students for exams and real-world applications like risk analysis and data science.
Choice (c) is correct.
If two particular persons sit next to each other then they are considered as a group. So, number of permutations of 7 persons when two particular persons sit together = 6! × 2!/ 7! = 6! × 2! × 1/7 × 6! = 2/7
This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding.
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