Home > Arithmetic Aptitude > Probability > Questions and Answers
01.  One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?  

02.  A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:  

03.  In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?  

04.  In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?  

05.  Two friends A and B apply for a job in the same company. The chances of A getting selected is 2/5 and that of B is 4/7. What is the probability that both of them get selected?  

06.  Tickets numbered 1 to 50 are mixed and one ticket is drawn at random. Find the probability that the ticket drawn has a number which is a multiple of 4 or 7?  

07.  In a basket that contains 10 fruits, 4 are rotten, if three fruits are drawn from the basket, find the probability that none of the fruits drawn is rotten?  

08.  The probability that a given problem will be solved by A, B and C are 2/3, 5/7 and 4/5 respectively. Find the probability of the problem being solved?  

09.  If a card is drawn from a well shuffled pack of cards, then find the probability that the card drawn is a numbered card  

10.  A coin is tossed 10 times. Find the probability of obtaining head at least once.  
