Robert Bosch Probability Quiz 2

Shashi kapoor has a bag which contains 2 red, 4 blue, 2 white and 4 black balls. 4 balls are drawn at random, find the probability that at least one ball is black.

 

 

In a band group of Shenai Waden Events, four persons are chosen at random from a group of 3 men, 3 women and 4 children. What is the probability that exactly 2 of them will be men?

 

 

Sunny deol has brought a bag of tickets. Tickets numbered 1 to 120 are in a bag. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

 

 

Rajesh Khanna has organised a rack race.There are 2 people who are going to take part in this race. The probability that the first one will win is 2/7 and that of other winning is 3/5. What is the probability that one of them will win?

 

 

Aamir Khan was playing a cards game named poker in which two cards were drawn at random from a pack of 52 cards. What is the probability that both the cards drawn are face card (Jack, Queen and King)?

 

 

Irrfan khan has formed a public committee of sportspersons. A committee of 5 people is to be formed from among 4 girls and 5 boys. What is the probability that the committee will have less number of boys than girls?

 

Manoj Bajpayee has a bucket of balls. This bucket contains 2 red balls, 4 blue balls, and 6 white balls. Two balls are drawn at random. What is the probability that they are not of same color?

 

 

Naseerudin shah has an urn which contains some balls colored white, blue and green. The probability of choosing a white ball is 4/15 and the probability of choosing a green ball is 2/5. There are 10 blue balls.

What is the probability of choosing one blue ball from an urn of Naseerudin shah?

 

What is the total number of balls in the urn of Naseerudin shah?

 

If the balls are numbered 1, 2, …. up to number of balls in the urn of Naseerudin shah, what is the probability of choosing a ball containing a multiple of 2 or 3?