### Categories

## Some question answers of Probability

Mar

17

2013

1)Â Â Â Â Â A cricket team has 15 members of whome only 5 can bowl . If the names of the 15 members are put into a hat and 11 are drawn at random , then the chance of obtaining an eleven containing at least 3 bowlers is

a)Â Â Â Â Â 7/13

b)Â Â Â Â Â 11/15

c)Â Â Â Â Â Â 12/13

d)Â Â Â Â Â 12/15

2)Â Â Â Â Â 8 coins are tossed simultaneously . The probability of getting at least 6 heads is â€“

a)Â Â Â Â Â 57/64

b)Â Â Â Â Â 229/256

c)Â Â Â Â Â Â 7/64

d)Â Â Â Â Â 37/256

3. From a pack of cards, two are drawn, the first being replaced before the second is drawn . The probability that the first is a diamond and the second is a king will be â€“

a)13/4

b) 5/52

c)1/52

d)52

4)Â Â Â Â Â A number is chosen at random among the first 120 natural numbers . What is the probability of the number chosen being multiple of 5 or 15 ?

a)1/5

b) Â¼

c) 5/9

d)4/9

5) Three dice are rolled .What is the probability of getting different faces ?

a) )1/3

b) Â¼

c) 5/9

d)4/9

6) What is the probability that three persons selected at random will be born on different days of the week?

a) 48/49

b) 2/3

c) 30/49

d) 36/49

7) The probability of having a king and a queen when the two cards are drawn at random from the pack of 52 cards is â€“

a) 16/663

b) 8/663

c)4/663

d)2 /663

8) A card is drawn from an ordinary pack and a gambler bets that it is either a spade or an ace . The odds against his winning are â€“

a) 9:4

b) 9:5

c)9;6

d) 9:8

9) The probability that a leap year , selected at random contains 53 Sundays is â€“

a) 1/3

b) 2/7

c) 3/7

d) 4/3

10) The probability of solving a problem by three students is Â½ , 1/3 and Â¼ respectively . The probabilityÂ that the problem is solved is equal to

a) 1/3

b) 1/ 2

c) Â¼

d) Â¾

Answers â€“ 1)d

2)d

3) c

4) a

5)c

6)c

7)b

8)a

9)b

10) d

#### Comment on this Note

You must be Logged In to post Notes.

Not a member yet? Sign Up Now »

### Recent comments

- golu on Conversation between a mother in law and daughter in law
- golu on Conversation between a shopkeeper and a customer
- golu on Conversation between a mother in law and daughter in law
- Meena on Watch the you tube channel
- golu on Summary of One Night at call Centre
- golu on Coversation between Shopkeeper and customer
- golu on Develop a dialogue between mother and daughter about excessive use of cell phone. (8-10 dialogues)

### Online Tests

- Advertising
- BANKING TEST
- Computer Test
- Computer test for IBPS clerical 2012
- English Grammar Test
- English Test
- G.K.
- G.K.
- G.K. papper for IBPS Clerical 2012
- G.K. Test for Competitive Exams
- Governors and C.M. of the states
- Important links for Banking G.K. (JAIIB)
- Important links for G.K. for Civil service and Banking
- MATHS TEST
- Maths Test for Competitive Exams
- Notes for B.Ed
- Notes For Banking
- Notes For Management
- Notes of B.Ed
- Online Test 1
- Test for Banking Knowledge
- Current G.K january 2013 , Quiz for Current G.k
- Test For English Vocabulary ( CAT , MAT)
- TEST g.k.
- Test of Abbreviation
- Test of Computers for IBPS clerical
- Test of Reasoning
- Important links for the important conversation in English