When a die is thrown the probability of getting an even number or a multiple of 3 is

1.  1/2

2.  1/3

3.  1/6

4.  2/3

View Answer  
4
Correct Answer :

2/3


Explanation :
No Explanation available for this question

In a committee consisting of 25 members,  everyone is  proficient in Mathematics or Physics or both .Among them 19memers are proficient in mathematics and 16 are proficient in Physics. If a person is chosen at random fr

1.  0.4

2.  0.8

3.  1.9

4.  0.2

View Answer  
4
Correct Answer :

0.4


Explanation :
No Explanation available for this question

In a class there are 60 boys and 20 girls. In it, half of the boys and half of the girls have squint eyes. If a person is chosen at random, the probability for the person to be either a boy or a squint eyed person is

1.  1/4

2.  1/8

3.  5/6

4.  3/4

View Answer  
4
Correct Answer :

5/6


Explanation :
No Explanation available for this question

In a class there are 60 boys and 20 girls. In it, half of the boys and half of the girls know cricket. The probability of a person selected from the class is either a boy or a person who knows ticket is

1.  7/8

2.  8/7

3.  5/7

4.  7/5

View Answer  
4
Correct Answer :

7/8


Explanation :
No Explanation available for this question

Out of 7 gentleman and 4ladies a commitee of 5 is to be formed. The probability that the commitee consists of at least 2 ladies is

1.  43/66

2.  31/42

3.  13/41

4.  3/10

View Answer  
4
Correct Answer :

43/66


Explanation :
No Explanation available for this question

A commitee of five is to be chosen from a group of 9 people. The probability that a certain married couple will either server together or not at all is

1.  1/2

2.  5/9

3.  4/9

4.  2/3

View Answer  
4
Correct Answer :

4/9


Explanation :
No Explanation available for this question

Three groups of children contain 3girls and one boy;2 boys; 2 girls and 2 boys. One girl and 3 boys. One child is is selected at random from each group. The probability that three selected consists of 1 girl and 2 boys is

1.  13/32

2.  19/32

3.  13/19

4.  6/19

View Answer  
4
Correct Answer :

13/32


Explanation :
No Explanation available for this question

A bag contains 3 white, 3 black and 2 blue balls. 3 balls are drawn at random from the bag. The probability of drawing the three balls of the same colour is

1.  1/28

2.  1/56

3.  1/168

4.  none

View Answer  
4
Correct Answer :

1/28


Explanation :
No Explanation available for this question

A letter is taken out at random from ‘ASSISTANT’ and another is taken out from ‘STATISTICS’. The probability that they are same letters is

1.  1/45

2.  13/90

3.  9/90

4.  none

View Answer  
4
Correct Answer :

9/90


Explanation :
No Explanation available for this question

A six faced biased die when thrown shows an even number twice as compared to an odd number. If the die is thrown twice, the probability that the sum of the two numbers is even is

1.  5/9

2.  4/9

3.  3/9

4.  2/9

View Answer  
4
Correct Answer :

5/9


Explanation :
No Explanation available for this question
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