Arithmetic Aptitude :: Probability
- A complete cycle of a traffic light takes 60 s. During each cycle the light is green for 25 s, yellow for 5 s and red for 30 s. At a randomly chosen time, the probability that the light will not be gr
- The probability that a man will live 10 more year is 1/4 and the probability that his wife will live 10 more year is 1/3. Then, the probability that none of them will be alive after 10 yr, is ?
- The letters B, G, I, N, R are rearranged to form the word 'BRING'. Find its probability ?
- If one rolls a fair sides die twice, what is the probability that the die will land on the same number on both the occasions ?
- One hundred identical coins each with probability p of showing up head are tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equals to that of heads on 51 coins. Then the value
- Four whole number taken at random are multiplied together. The chance that the last digit in the product is 1, 3, 7, or 9 is ?
- What is the probability that a card drawn at random from a pack of 52 cards is either a king or a spade?
- A card is drawn from a well-shuffled pack of cards. The probability of getting a queen of club or a king of heart is ?
- If three unbiased coins are tossed simultaneously, then the probability of exactly two heads, is
- Let E be the set of all integers with 1 at their unit places. The probability that a number chosen from {2, 3, 4, ............, 50} is an element of E, is ?
Whatsapp
Facebook
