Coding | Mcqs | Multiple choice questions | Informative | Computer Science | Engineering | Aptitude | Quants | Verbal

INFEED

SBT| PROBABILITY |

 ***  FEW ANSWERS MAY NOT BE PRESENT **

2 white dices on blue surface

 

1.

A bag contains 5 red, 6 green and 4 blue balls. Two balls are drawn at random. What is the probability

that none of the balls drawn in blue?

6/21

12/21

10/21

11/21


2.

Two dice are together. What is the probability that the sum of the numbers on the two faces is

multiple by 2 or 3?

1/3

3/3

2/3

4/3


3.

10 tickets are drawn successively with replacement from a bar containing 100 tickets numbered 201

to 300. The chance that all the tickets bear numbers divisible by 15 is:

(50/9)^10

(7/100)^10

(9/50)^10

(7/50)^10


4.

A bag contains 5 white and 6 black balls. Two balls are drawn at random. Find the probability that th

6/11

5/11

4/11

7/11


5.

A bag contains 20 black and 30 white balls. One ball is drawn at random. What is the probability that

the ball drawn is white

2/5

3/5

4/5

6/5


6.

Two cards are drawn from a well shuffled pack of 52 cards, without replacement. What is the

probability that one is red queen and other is a 6 number?

9/663

8/663

5/663

4/663


7.

What is the probability of getting a sum 10 from two throws of dice?

1/12

3/12

5/12

7/12


8.

In a throw of a coin, find the probability of getting a tail.

3/2

1/2

5/2

6/2


9.

In a box containing 80 bulbs 15 are defective. What is probability that out of a sample of 5 bulbs,

none is defective?

(13/16)^5

(19/20)^5

(12/13)^5

(16/13)^5


10.

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product

is even?

5/4

1/2

5/14

3/4


11.

A card is drawn from a pack of 52 cards. The probability of getting a queen of diamond or jack of

club is:

4/26

2/26

3/26

1/26


12.

Three unbiased coins are tossed. What is the probability of getting atleast 2 tail?

1/2

7/2

3/2

6/2


13.

2 balls are drawn from basket containing 3 white, 4 red and 6 black balls one by one without

replacement. What is the probability that atleast one ball is red

13/7

7/13

12/7

7/12


14.

4 numbers are chosen at random from 1 to 30. The probability that they are consecutive is:

1/1015

5/2521

10/2357

8/2047


15.

Two cards are drawn together from a pack of 52 cards. The probability that one is a picture and on

20/221

8/221

10/221

12/221


16.

In a simultaneous throw of two dice, what is the probability of getting a total of 5 or 9?

3/9

4/9

5/9

2/9


17.

In a simultaneous throw of a pair of dice, find the probability of getting a total more than 8.

5/18

7/18

9/18

6/18


18.

A speaks truth is 90% and B in 95 % of the cases. In what percentage of cases are they likely to

contradict each other, narrating the same incident?

9/50

3/50

5/50

7/50


19.

Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are

red or 2 numbers?

66/221

44/221

77/221

55/221


20.

In a simultaneous throw of two dice, what is the probability of getting a total of 6.

11/36

8/36

9/36

5/36


21.

A box contains 4 red, 5 green and 3 white balls. A ball is drawn at random. What is the probability

that the ball drawn is either red or green?

6/7

7/6

4/3

3/4


22.

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both

five numbered card?

1/221

2/221

3/221

5/221


23.

An unbiased die is rolled. Find the probability of getting a odd number

3/2

1/2

5/2

3/4


24.

Probability of getting a number between 51 and 100, which is divisible by 1 and itself only is:

24/7

24/5

1/5

7/24


25.

In a simultaneous throw of two coins, the probability of getting both same kind is:

1/2

3/2

7/4

2/3


26.

A box contains 3 green, 5 yellow and 6 white marbles. Three balls are drawn at random. What is the

probability that they are not of the same color

200/364

153/364

123/364

333/364


27.

In a box there are 10 red, 12 blue and 5 green balls. One ball is picked up randomly. What is the

probability that it is neither red nor green?

5/9

6/7

5/7

4/9


28.

A box contains 8 white and 5 red balls. Three balls are drawn at random. What is the probability that

one ball is red and other two are white?

100/143

40/143

50/143

70/143


29.

From a well shuffled deck of 52 cards, 4 cards from suit are drawn at random. What is the probability

that all the drawn cards are of the same suit?

45/4165

46/4165

48/4165

44/4165


30.

Four cards are drawn at a time from a pack of 52 cards. What is the probability that all the drawn

cards are of the same color?

13c4 /52c4

2( 26c4)/52c

15c4/52c4

14C4 / 52C4




Post a Comment

Previous Post Next Post