Which one of the following numbers can be removed from the set S = {0, 2, 4, 5, 9} without changing the average of set S

1.  0

2.  2

3.  4

4.  5

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total cost of 24 apples and 24 mangoes.

1.  1044

2.  2088

3.  720

4.  324

View Answer  
4
Correct Answer :

2088


Explanation :
No Explanation available for this question

Average of ten positive numbers is x. If each number by 10%, then x :

1.  remains unchanged

2.  may decrease

3.  may increase

4.  is increased by 10%

View Answer  
4
Correct Answer :

is increased by 10\%


Explanation :
No Explanation available for this question

The average weight of three boys A, B and C is 5413 kg, while the average weight of three boys B, D and E is 53 kg. What is the average weight of A, B, C, D and E

1.  52.4 kg

2.  53.2 kg

3.  53.8 kg

4.  Data inadequate

View Answer  
4
Correct Answer :

Data inadequate


Explanation :
No Explanation available for this question

The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000. The total number of workers in the workshop is:

1.  20

2.  21

3.  22

4.  23

View Answer  
4
Correct Answer :

21


Explanation :
No Explanation available for this question

40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 390. The annual income of each executive is Rs. 420. What is the average annual income of all the employees in the factory together

1.  390

2.  405

3.  408

4.  415

View Answer  
4
Correct Answer :

408


Explanation :
No Explanation available for this question

The average price of 10 books is Rs.12 while the average price of 8 of these books is Rs.11.75. Of the remaining two books, if the price of one book is 60% more than the price of the other, what is the price of each of these two books

1.  Rs. 5, Rs.7.50

2.  Rs. 8, Rs. 12

3.  Rs. 10, Rs. 16

4.  Rs. 12, Rs. 14

View Answer  
4
Correct Answer :

Rs. 10, Rs. 16


Explanation :
No Explanation available for this question

In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers

1.  2

2.  2.5

3.  3

4.  3.5

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is772. The numbers are:

1.  16, 8, 4

2.  20, 10, 5

3.  24, 12, 6

4.  36, 18, 9

View Answer  
4
Correct Answer :

24, 12, 6


Explanation :
No Explanation available for this question

The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager

1.  570

2.  420

3.  690

4.  640

View Answer  
4
Correct Answer :

420


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python