In the AMS library, there are 8 books by Stephen Covey and 1 book by Vinay Singh in shelf A. At the same time, there are 5 books by Stephen Covey in shelf B. One book is moved from shelf A to shelf B. A student picks up a book from shelf B. Find the probability that the book by Vinay Singh is in self B.

1.  3/54  

2.  4/54

3.  5/54

4.  6/57  

5.  None of these.

View Answer  
5
Correct Answer :

5/54


Explanation :
No Explanation available for this question

In the AMS library, there are 8 books by Stephen Covey and 1 book by Vinay Singh in shelf A. At the same time, there are 5 books by Stephen Covey in shelf B. One book is moved from shelf A to shelf B. A student picks up a book from shelf B. Find the probability that the book by Vinay Singh is taken by the student.

1.  3/54  

2.  1/54

3.  2/27

4.  5/54  

5.  None of these.

View Answer  
5
Correct Answer :

1/54


Explanation :
No Explanation available for this question

The ratio of number of officers and ladies in the Scor­pion Squadron and in the Gunners Squadron are 3 : 1 and 2:5 respectively. An individual is selected to be the chairperson of their association. The chance that, this individual is selected from the Scorpions is 2/3. Find the probability that the chairperson will be an officer.

1.  25/42  

2.  13/43

3.  11/43

4.  5/42  

5.  7/42.

View Answer  
5
Correct Answer :

25/42

 


Explanation :
No Explanation available for this question

A batch of 50 transistors contains 3 defective ones. Two transistors are selected at random from the batch and put into a radio set. What is the probability that both the transistors selected are defective

1.  4/1225  

2.  3/1225

3.  124/1224

4.  232/1224  

5.  None of these.

View Answer  
5
Correct Answer :

3/1225


Explanation :
No Explanation available for this question

A batch of 50 transistors contains 3 defective ones. Two transistors are selected at random from the batch and put into a radio set. What is the probability that only one is defective

1.  141/1225  

2.  121/1225

3.  123/1224

4.  124/1224  

5.  None of these.

View Answer  
5
Correct Answer :

141/1225

 


Explanation :
No Explanation available for this question

A batch of 50 transistors contains 3 defective ones. Two transistors are selected at random from the batch and put into a radio set. What is the probability that neither is defective

1.  1082/1224  

2.  1081/1225

3.  1081/1224

4.  1082/1225  

5.  None of these.

View Answer  
5
Correct Answer :

1081/1225


Explanation :
No Explanation available for this question

The probability that a man will be alive in 35 years is 3/5 and the probability that his wife will be alive is 3/7. Find the probability that after 35 years both will be alive.

1.  2/35  

2.  9/35

3.  6/35

4.  1/35  

5.  3/35.

View Answer  
5
Correct Answer :

9/35


Explanation :
No Explanation available for this question

The probability that a man will be alive in 35 years is 3/5 and the probability that his wife will be alive is 3/7. Find the probability that after 35 years only the man will be alive.

1.  12/35

2.  11/35

3.  13/35

4.  1/35  

5.  8/35.

View Answer  
5
Correct Answer :

12/35


Explanation :
No Explanation available for this question

The probability that a man will be alive in 35 years is 3/5 and the probability that his wife will be alive is 3/7. Find the probability that after 35 years only the wife will be alive.

1.  2/35  

2.  3/35

3.  6/35

4.  1/35  

5.  11/35.

View Answer  
5
Correct Answer :

6/35


Explanation :
No Explanation available for this question

The probability that a man will be alive in 35 years is 3/5 and the probability that his wife will be alive is 3/7. Find the probability that after 35 years at least one will be alive.

1.  27/35  

2.  12/35

3.  11/35

4.  1/35  

5.  7/35

View Answer  
5
Correct Answer :

27/35

 


Explanation :
No Explanation available for this question
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