Probability : 25.03.2024

A speaks the truth in 75% of cases and B in 80% of the cases. In what percentage of cases are they likely to contradict each other, narrating the same incident?

Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are red, or both are kings?

In a class, there are 12 boys and 15 girls. Four students are selected at random. The probability that 3 girls and 1 boy are selected, is:

One card is drawn from a deck of 52 cards, well-shuffled. Calculate the probability that the card will be a king.

A person can hit a target 5 times out of 8 shots. If he fires 10 shots, what is the probability that he will hit the target twice?

One card is drawn from a deck of 52 cards, well-shuffled. Calculate the probability that the card will be a face card.

In a box, there are 9 yellow, 5 pink and 7 grey balls. One ball is picked up randomly. What is the probability that it is neither yellow nor pink?

Two players, Tipu and Ajay, play a table tennis match. The probability of Tipu winning the match is 0.72. What is the probability that Ajay will win the match?

Two dice are thrown and the sum of the numbers which comes up on the dice is noted. What is the probability that the sum is a multiple of 4?

There are 4 yellow and 6 black balls. Two balls are selected one by one without replacement. Find the probability that first is yellow and second is black.