Probability

JEE Main 2024 (Online) 1st February Evening ShiftMCQEasy📈 Topic in 3% papers+4−1

Ques. 1JEE Main 2024, 1 February (Evening Shift)

Let Ajay will not appear in JEE exam with probability p= 27, while both Ajay and Vijay will appear in the exam with probability q= 15. Then the probability, that Ajay will appear in the exam and Vijay will not appear is :

935
335
2435
1835

Answer

(4) 1835

Solution

A: Ajay appears, V: Vijay appears

P(A)=1- 27= 57, P(A )= 15

=(A ) (A ') (disjoint)

P(A ')=P(A)-P(A )= 57- 15= 1835

Answer: (4)

Keep practising — Probability

Ques. 2JEE Main 2024, 30 January (Morning Shift)

Two integers x and y are chosen with replacement from the set \0,1,2,3, ,10\. Then the probability that |x-y|>5, is :

31121
60121
62121
30121

Ques. 3JEE Main 2024, 29 January (Evening Shift)

An integer is chosen at random from the integers 1,2,3, ,50. The probability that the chosen integer is a multiple of at least one of 4, 6 and 7 is

825
950
1425
2150

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All JEE Main Mathematics chapters

Class 11Sets Relations and Functions Trigonometric Functions Complex Numbers and Quadratic Equations Permutations and Combinations Binomial Theorem Sequences and Series Straight Lines Conic Sections Introduction to Three Dimensional Geometry Limits and Derivatives Statistics Probability

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