Arithmetic Aptitude :: Probability
- Two dice are thrown together .What is the probability that the sum of the number on the two faces is divided by 4 or 6.
- In a class, 30% of the students offered English, 20% offered Hindi and 10% offered both. If a student is selected at random, what is the probability that he. has offered English or Hindi ?
- In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:
- If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels?
- Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:
- Four dice are thrown simultaneously. Find the probability that all of them show the same face.
- A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident
- A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
- A bag contains 50 tickets numbered 1,2,3,4......50 of which five are drawn at random and arranged in ascending order of magnitude.Find the probability that third drawn ticket is equal to 30.