Probability · Question 12 · Hard
Five friends, including Isha and Jay, sit randomly in a row of 5 chairs. What is the probability that Isha and Jay sit next to each other?
- 1/2
- 1/5
- 3/5
- 2/5
Answer and explanation
Answer: D. 2/5
Explanation: Adjacent arrangements = 4! × 2 = 48 out of 5! = 120, so 48/120 = 2/5.
Previous: The probability that Ritu solves a puzzle is 2/3 and that Sohan solves it is… · Next: A bag contains 4 red, 3 green and 2 blue balls. Three balls are drawn at…
Practise probability
Try a fresh set of probability questions with an explanation after every answer, free and without signing up: Probability practice. Or sit a full placement mock test.
More probability questions
- Two dice are thrown. What is the probability of getting a doublet (the same…
- A card is drawn at random from a standard pack of 52. What is the probability…
- The probability that Ritu solves a puzzle is 2/3 and that Sohan solves it is…
- A bag contains 4 red, 3 green and 2 blue balls. Three balls are drawn at…
- Two dice are thrown. Given that the sum is 8, what is the probability that one…
- A number is chosen at random from 1 to 50. What is the probability that it is…
- A number is chosen at random from 1 to 30. What is the probability that it is…
- One letter is picked at random from the letters of the word INDIA. What is the…
- A card is drawn at random from a well-shuffled pack of 52 cards. What is the…
- Two fair dice are thrown. What is the probability that the sum of the numbers…
More quantitative aptitude practice
Data Interpretation · Mensuration · Algebra & Equations · Number System · HCF & LCM · Simplification · Percentages · Profit & Loss
LogicWiz Exams home · All practice topics · Placement mock tests · Daily 10 challenge