APTITUDE Problems On Probability

1. In a simultaneous throw of a pair of dice,find the probability of getting a total more than 7?

3/16
6/14
5/12
10/17

2. Two dice are thrown together .What is the probability that the sum of the number on the two faces is divisible by 4 or 6?

3/19
8/19
7/18
5/14

3. Two diced are tossed the probability that the total score is a prime number?

3/17
4/15
5/12
6/19

4. In a lottery ,there are 10 prozes and 25 blanks.A lottery is drawn at random. what is the probability of getting a prize ?

1/9
4/7
4/9
2/7

5. A box contains 20 electricbulbs ,out of which 4 are defective,two bulbs are chosen at random from this box.What is the probability that at least one of these is defective ?

6/19
5/17
7/19
3/19

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

2/91
5/46
2/67
5/47

7. A man and his wife appear in an interview for two vacancies in the same post.The probability of husband's selection is 1/7 and the probabililty of wife's selection is 1/5.What is the probabililty that only one of them is selected?

3/4
2/7
3/17
5/37

8. The probability that a card drawn from a pack of 52 cards will be a diamond or a king?

4/13
6/25
5/28
3/26

9. Two cards are drawn together from a pack of 52 cards.What is the probability that one is a spade and one is a heart?

45/136
13/102
24/161
15/183

10. one card is drawn at random from a pack of 52 cards.What is the probability that the card drawn is a face card?

4/17
4/13
7/23
5/31

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