Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all

1.  15.5

2.  15

3.  16

4.  Cant be computed

View Answer  
4
Correct Answer :

Cant be computed


Explanation :
No Explanation available for this question

A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 30 days starting with sunday is

1.  280

2.  285

3.  290

4.  295

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4
Correct Answer :

285


Explanation :
No Explanation available for this question

A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match

1.  36

2.  37

3.  38

4.  39

View Answer  
4
Correct Answer :

39


Explanation :
No Explanation available for this question

Average weight of 10 people increased by 1.5 kg when one person of 45 kg is replaced by a new man. Then weight of the new man is

1.  50

2.  55

3.  60

4.  65

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4
Correct Answer :

60


Explanation :
No Explanation available for this question

Average of five numbers is 27. If one number is excluded the average becomes 25. The excluded number is

1.  35

2.  45

3.  55

4.  65

View Answer  
4
Correct Answer :

35


Explanation :
No Explanation available for this question

The average score of a cricketer for ten matches is 38.9 runs. If the average for first six matches is 42, then average for last four matches is

1.  33.25

2.  32.25

3.  34.25

4.  34.50

View Answer  
4
Correct Answer :

34.25


Explanation :
No Explanation available for this question

Average of 10 matches is 32, How many runs one should should score to increase his average by 4 runs.

1.  70

2.  76

3.  78

4.  80

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4
Correct Answer :

76


Explanation :
No Explanation available for this question

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is

1.  54.48

2.  54.68

3.  54.60

4.  54.58

View Answer  
4
Correct Answer :

54.68


Explanation :
No Explanation available for this question

The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is

1.  40

2.  35

3.  45

4.  55

View Answer  
4
Correct Answer :

40


Explanation :
No Explanation available for this question

The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then

1.  x = y + z

2.  2x = y + z

3.  x = 2y + z

4.  x = y + 2z

View Answer  
4
Correct Answer :

2x = y + z


Explanation :
No Explanation available for this question
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