Aptitude/Aptitude Probability Sample Test,Sample questions

Question:
 A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -.

1.25/42

2.9/20

3.10/23

4.41/42

Posted Date:-2022-03-08 06:54:58


Question:
 A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?

1.3/22

2.4/21

3.2/21

4.1/14

Posted Date:-2022-03-08 07:11:18


Question:
 A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:

1.1/13

2.2/13

3.1/26

4.1/52

Posted Date:-2022-03-08 07:53:26


Question:
 From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is -.

1.1/26

2.3/52

3.15/26

4.11/26

Posted Date:-2022-03-08 07:51:37


Question:
 If six persons sit in a row, then the probability that three particular persons are always together is -.

1.1/20

2.3/10

3.1/5

4.4/5

Posted Date:-2022-03-08 06:51:08


Question:
 In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?

1.4/11

2.1

3.2/33

4.19/66

Posted Date:-2022-03-08 08:00:10


Question:
 Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is -.

1.1/2

2.16/19

3.4/5

4.17/20

Posted Date:-2022-03-08 06:43:41


Question:
 The probability that a number selected at random from the first 50 natural numbers is a composite number is -.

1.21/25

2.17/25

3.4/25

4.8/25

Posted Date:-2022-03-08 06:36:27


Question:
. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?





1.1/455

2.2/455

3.1/91

4. 4/455

Posted Date:-2022-03-08 07:09:02


Question:
10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.

1.1/10

2.9/10

3.1/5

4.3/10

Posted Date:-2022-03-08 07:19:13


Question:
A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is -.

1.8/15

2.2/5

3.3/5

4.7/15

Posted Date:-2022-03-08 06:52:19


Question:
A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
 

1.4/9

2.5/9

3.7/9

4.8/9

Posted Date:-2022-03-08 07:15:47


Question:
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?

1.17/91

2.33/91

3.51/91

4.65/91

Posted Date:-2022-03-08 07:07:28


Question:
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are drawn what is the probability that one is yellow and two are red?

1.24/455

2.3/91

3.12/455

4.15/91

Posted Date:-2022-03-08 07:15:08


Question:
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green?

1.23/35

2.29/35

3.47/70

4.43/70

Posted Date:-2022-03-08 07:14:29


Question:
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.

1.62/63

2.125/126

3.1/63

4.1/126

Posted Date:-2022-03-08 06:59:04


Question:
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good.

1.6/63

2.2/63

3.125/126

4.1/126

Posted Date:-2022-03-08 07:00:11


Question:
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly three bulbs are good.

1.20/31

2.20/63

3. 5/31

4.6/31

Posted Date:-2022-03-08 07:05:15


Question:
A coin is tossed live times. What is the probability that there is at the least one tail?

1.231/32

2.1/16

3.1/2

4.None of these

Posted Date:-2022-03-08 06:40:22


Question:
If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is -.

1.19/52

2.17/52

3.5/13

4.4/13

Posted Date:-2022-03-08 06:50:06


Question:
If a number is chosen at random from the set {1, 2, 3, ...., 100}, then the probability that the chosen number is a perfect cube is -.
 

1.1/25

2.1/2

3.4/13

4.1/10

Posted Date:-2022-03-08 06:42:30


Question:
If four coins are tossed, the probability of getting two heads and two tails is -.

1.3/8

2.6/11

3.2/5

4.4/5

Posted Date:-2022-03-08 06:48:56


Question:
If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is -.

1.1/4

2.1/2

3.3/4

4.3/5

Posted Date:-2022-03-08 06:46:11


Question:
In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples?

1. 5/21

2. 5/14

3. 9/14

4.16/21

Posted Date:-2022-03-08 07:48:51


Question:
Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?

1.1/6

2. 5/8

3. 3/8

4. 5/6

Posted Date:-2022-03-08 07:50:36


Question:
Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is -.

1.10/17

2.10/19

3.46/105

4.Cannot be determined

Posted Date:-2022-03-08 07:16:57


Question:
The probability of a lottery ticket being a prized ticket is 0.2. When 4 tickets are purchased, the probability of winning a prize on atleast one ticket is -.

1.0.4869

2. 0.5904

3.0.6234

4. 0.5834

Posted Date:-2022-03-08 07:48:14


Question:
The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?

1.18/35

2.12/35

3.17/35

4.19/35

Posted Date:-2022-03-08 07:49:43


Question:
Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -.

1.1/216

2.1/36

3.5/9

4.5/12

Posted Date:-2022-03-08 06:55:58


Question:
Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is -.

1.5/9

2.5/12

3.1/36

4.7/12

Posted Date:-2022-03-08 06:57:30


Question:
Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is -.

1.7/12

2.5/9

3.1/36

4.5/12

Posted Date:-2022-03-08 06:56:39


Question:
Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is -.

1.7/12

2.5/9

3.1/36

4.5/12

Posted Date:-2022-03-08 06:56:40


Question:
What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?

1.1/21

2.4/7

3. 2/7

4.5/7

Posted Date:-2022-03-08 07:54:26


Question:
What is probability of drawing two clubs from a well shuffled pack of 52 cards?. 

1.13/51

2.1/17

3.1/26

4.13/17

Posted Date:-2022-03-08 07:58:50


Question:
What is the probability that a leap year has 53 Sundays and 52 Mondays?

1.0

2.1/7

3. 2/5

4.5/7

Posted Date:-2022-03-08 07:17:57


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