# Probability · Mathematics · Class 12

Start Practice## MCQ (Single Correct Answer)

CBSE 12th Mathematics Delhi Set 1 - 2023

If for any two events $$\mathrm{A}$$ and $$\mathrm{B}, P(A)=\frac{4}{5}$$ and $$P(A \cap B)=\frac{7}{10}$$, then $$P(B / A)$$ is equals to:

CBSE 12th Mathematics Delhi Set 1 - 2023

Five fair coins are tossed simultaneously. The probability of the events that atleast one head comes up is:

CBSE 12th Mathematics Delhi Set 1 - 2023

Assertion (A): Two coins are tossed simultaneously. The probability of getting two heads, if it is known that at least one head comes up, is $$\frac{1...

## Subjective

CBSE 12th Mathematics Delhi Set 1 - 2023

(a) In answering a question on a multiple choice test, a student either knows the answer or guesses.
Let $$\frac{3}{5}$$ be the probability that he kn...