Three coins are tossed. Find the probability of getting at least one head.
Probability
Original Khojo Papers practice question — not from a past board paper.
1/6
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The favourable outcomes are (4,6), (5,5), (6,4), (5,6), (6,5) and (6,6), that is 6 out of 36.
From the same topic and chapter, at a similar level.
Three coins are tossed. Find the probability of getting at least one head.
Probability
A card is drawn from a pack of 52. Find the probability that it is a spade or a king.
Probability
Define mutually exclusive and exhaustive events, giving one example of each.
Probability
If P(A) = 0.5, P(B) = 0.4 and P(A ∩ B) = 0.2, find P(A ∪ B).
Probability
A card is drawn from a well-shuffled pack. Find the probability that it is a red king.
Probability
In a class of 60 students, 35 play cricket, 28 play football and 12 play both. How many play neither?
Sets