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CBSE Past Year MCQ Quiz

Chapter 13 Class 12 Probability | 3 questions | about 3 minutes

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Question 1 of 3
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Question 1 of 3
CBSE Board Exam 2025
If E and F are two events such that \(\mathrm{P}(\mathrm{E})>0\) and \(\mathrm{P}(\mathrm{F}) \neq 1\), then \(\mathrm{P}(\overline{\mathrm{E}} / \overline{\mathrm{F}})\) is
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Question 2 of 3
CBSE Board Exam 2025
The probability distribution of a random variable X is given by :

X-4-3-2-10
\(\mathrm{P}(\mathrm{X})\)0.10.20.30.20.2


Then \(\mathrm{E}(\mathrm{X})\) of distribution is
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Question 3 of 3
CBSE Board Exam 2026
If \(3 P(A)=P(B)=\frac{3}{5}\) and \(P(A \mid B)=\frac{2}{3}\), then \(P(A \cup B)\) is :
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