Average Problems Mcqs

Our collections of Multiple choice questions and answers focuses on study of Average Problems in Mathematics. These questions are chosen from a collection of most authoritative and best reference books on Mathematics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs, Army and Air Force , and other Govt and Private sector jobs tests and interviews. So practice our Mcqs to assimilate knowledge on Average Problems in Mathematics comprehensively.

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1.
A family of 6 has an average 25 and another of 9 has an average 41. The sum of the ages of the family members of both will be:

165

375

455

615

None of the above

2.
A family with six members has an average age of 25 while a family of 9 has an average age of 35. The combine average of both families will be:

30

34.93

39

43

None of the above

3.
A man spent 1/3 of his salary in three weeks with the average of Rs. 250 for first two weeks and Rs.200 in third week. His salary will be:

450

700

2100

2350

4.
A motorcyclist has covered 10 miles in half hour 36 miles in one hour and 50 miles in 2 hours and 30 minutes. Find the average distance covered in one hour:

11

23.5

31.33

49

None

5.
A shopkeeper bought 5 dozens of eggs in 50 rupees 84 eggs in 70 rupees and 3 dozen in 30 rupees the average rate of one dozen will be

10

12

13

15

6.
A shopkeeper purchases 5 cartoons in 105 rupees and 8 cartoons in 155 rupees. If a cartoon contains 5 items then average price per item is

4

15.75

20

27.15

7.
A team won 5 matches with the average margin of 32 runs. In next two matches they are defeated by an average of 10 runs. The average margin for all the matches will be :

20

22

25.7

27

8.
Ahmad bought color pencils with price 3.45 16.75 9.84 and 8.16. Find the average amount spent on a pencil.

7.8

8.2

9.55

18.2

9.
Ali drove at 50 km per hour for first three hours of his trip. Then due to heavy traffic he drove at 40 km per hour for two hours. Find his agerage speed for the trip.

48 km per hr

45 km per hr

46 km per hr

43 km per hr

10.
Average cost of 100 eggs is 2 rupees. It is lowered to 1.5 on buying an additional 100 eggs. What is the difference of cost of additional 100 eggs and previously purchased 100 eggs.

Rs. 40

Rs. 50

Rs. 150

Rs. 100

11.
Average of 5 numbers is 80. If three of these are 70 80 and 90. Find the average of last two.

90

70

80

85

12.
Average of 8 numbers is 31 seven of them are 15 45 17 19 33 48 65. What is the eighth number ?

15

6

23

34

13.
During a certain operation B persons are successfully recovered every year. If A persons are treated during the last 5 years what will be the average death rate per year.

B/5

A-5B

(A-b)/5

(A-5B)/5

15.
Find the temperature on Sunday if sum of temperatures of other 6 days is 145 C? and average of the week is 25 C?.

29C

30C

28C

31C

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