Same chapter3 marksDifficulty: Medium
A card is drawn from a well-shuffled pack of 52 cards. Find the probability that it is neither a heart nor a king.
Probability
3 marksDifficulty: Medium
Two coins are tossed together. Find the probability of getting exactly one head.
Original Khojo Papers practice question — not from a past board paper.
Answer
1/2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The sample space is HH, HT, TH and TT. Exactly one head occurs in HT and TH, so the probability is 2/4 = 1/2.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Two dice are thrown together. Find the probability that the sum of the numbers is 8.
Probability
Same chapter3 marksDifficulty: Medium
A bag contains 5 red, 3 white and 2 black balls. One ball is drawn at random. Find the probability that it is red, and the probability that it is not black.
Probability
Same chapter3 marksDifficulty: Medium
A die is thrown once. Find the probability of getting a number greater than 4, and the probability of getting a number that is not greater than 4.
Probability
Same chapter3 marksDifficulty: Medium
A box contains 20 cards numbered 1 to 20. One card is drawn at random. Find the probability that the number on it is a multiple of 3.
Probability
Same chapter3 marksDifficulty: Medium
A bag contains 6 green, 4 blue and 5 yellow marbles. One marble is drawn at random. Find the probability that it is not green.
Probability