# 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

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4

85kg

Explanation :
No Explanation available for this question

1.  47200

2.  48000

3.  42000

4.  50400

4