JEE Main 2022 · MathsMultiple choiceSingle correctEasyCalculation

JEE Main 25 July 2022, Shift 2, Maths Q8

Question 8 of 90 in this shift, Maths question 8 of 30, Section A.

A

and

B

are two events such that

P(A)=\frac{1}{3},P(B)=\frac{1}{5}

and

P(A\cup B)=\frac{1}{2}

, then

P(A|B')+P(B|A')

is equal to

(1) $\frac{3}{4}$
(2) $\frac{5}{8}$ Official answer
(3) $\frac{5}{4}$
(4) $\frac{7}{8}$

Official answer

Option 2

NTA final key.

Chapter: Probability
Topic: Conditional Probability
Idea tested: Conditional Probability Definition

Same idea in other shifts

Asked 5× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.