Home › Quizzes › JEE › Mathematics
JEE Mains 2027: Top Mathematics Questions — Probability & 3D Geometry
JEE Mathematics • 10 questions • Free on ExamBattle
Practice Questions
Q1
The variance of the data set {2, 4, 4, 4, 5, 5, 7, 9} is:
- A. 2
- B. 4
- C. 6
- D. 8
Q2
A dice is thrown twice. P(sum = 7) is:
- A. 1/6
- B. 7/36
- C. 1/9
- D. 5/36
Q3
The foot of perpendicular from origin to the plane 2x + 3y + 6z = 35 is:
- A. (2, 3, 6)
- B. (1, 1, 1)
- C. (5, 5, 5)
- D. (2, 3, 4)
Q4
Two events A and B are independent if:
- A. P(A∩B) = P(A) + P(B)
- B. P(A∩B) = P(A)·P(B)
- C. A and B are mutually exclusive
- D. P(A|B) = 1
Q5
The direction cosines of the line x/2 = y/3 = z/6 are:
- A. (2/7, 3/7, 6/7)
- B. (2, 3, 6)
- C. (1/3, 1/2, 1)
- D. (6/7, 3/7, 2/7)
Q6
Bayes' theorem is used to find:
- A. Total probability
- B. Posterior probability given prior information
- C. Conditional probability of independent events
- D. Standard deviation
Attempt this quiz free at ExamBattle. Sign in to earn a score and rank on the leaderboard.