CUET Mathematics 2026 31st May Shift 2 PYQs

A coin is tossed four times. The probability of getting atleast 1 head before getting the first tail is

If $P(B) = \frac{2}{5}, P(A \cup B) = \frac{3}{5}, P(A \cap B) = \frac{3}{10}$ then $P(A/B) + 2P(B/A)$ equals

Five dice are thrown simultaneously. If the occurrence of an even number in a single dice is considered a success, then the probability of at most 3 successes is