A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in a month of 30 days beginning with a Sunday

1.  290

2.  304

3.  285

4.  270

View Answer  
4
Correct Answer :

285


Explanation :
No Explanation available for this question

. From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done

1.  624

2.  702

3.  756

4.  812

View Answer  
4
Correct Answer :

756


Explanation :
No Explanation available for this question

A student's mark was wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half 1/2. What is the number of students in the class

1.  45

2.  40

3.  35

4.  30

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4
Correct Answer :

40


Explanation :
No Explanation available for this question

A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. The average age of the family is

1.  3227 years

2.  3157 years

3.  2817 years

4.  3057 years

View Answer  
4
Correct Answer :

3157 years


Explanation :
No Explanation available for this question

A hostel had provisions for 250 men for 40 days. If 50 men left the hostel, how long will the food last at the same rate

1.  48 days

2.  50 days

3.  45 days

4.  60 days

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4
Correct Answer :

50 days


Explanation :
No Explanation available for this question

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, what is the weight of B

1.  31 kg

2.  2812 kg

3.  32 kg

4.  3012 kg

View Answer  
4
Correct Answer :

31 kg


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. What is the present age of the husband

1.  40

2.  32

3.  28

4.  26

View Answer  
4
Correct Answer :

40


Explanation :
No Explanation available for this question

If 40 men can make 30 boxes in 20 days, How many more men are needed to make 60 boxes in 25 days

1.  28

2.  24

3.  22

4.  26

View Answer  
4
Correct Answer :

24


Explanation :
No Explanation available for this question

The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person

1.  75kg

2.  50kg

3.  85kg

4.  80kg

View Answer  
4
Correct Answer :

85kg


Explanation :
No Explanation available for this question

In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together

1.  47200

2.  48000

3.  42000

4.  50400

View Answer  
4
Correct Answer :

50400


Explanation :
No Explanation available for this question
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