Mathematics/Math MCQ Question and answer - Ratio Rates and Proportion Set 3 Sample Test,Sample questions

Question:
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:

1.165

2.375

3.455

4.none

Posted Date:-2021-09-19 20:01:13


Question:
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:

1.30

2.34.93

3.39

4.none

Posted Date:-2021-09-19 20:01:13


Question:
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:

1.450

2.700

3.2100

4.2350

Posted Date:-2021-09-19 20:01:13


Question:
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:

1.11

2.23.5

3.31.33

4.none

Posted Date:-2021-09-19 20:01:13


Question:
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

1.10

2.12

3.13

4.15

Posted Date:-2021-09-19 20:01:13


Question:
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

1.4

2.15.75

3.20

4.27.15

Posted Date:-2021-09-19 20:01:13


Question:
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 :

1.20

2.22

3.25.7

4.27

Posted Date:-2021-09-19 20:01:13


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

1.7.8

2.8.2

3.9.55

4.18.2

Posted Date:-2021-09-19 20:01:13


Question:
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.

1.48 km per hr

2.45 km per hr

3.46 km per hr

4.43 km per hr

Posted Date:-2021-09-19 20:01:13


Question:
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.

1.Rs. 40

2.Rs. 50

3.Rs. 150

4.Rs. 100

Posted Date:-2021-09-19 20:01:13


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

1.90

2.70

3.80

4.85

Posted Date:-2021-09-19 20:01:13


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

1.15

2.6

3.23

4.34

Posted Date:-2021-09-19 20:01:13


Question:
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.

1.B/5

2.A-5B

3.(A-b)/5

4.(A-5B)/5

Posted Date:-2021-09-19 20:01:13


Question:
Find the average of 8 13 25 43 and 11

1.20

2.32

3.27

4.19

Posted Date:-2021-09-19 20:01:13


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

1.29C

2.30C

3.28C

4.31C

Posted Date:-2021-09-19 20:01:13


Question:
If average of 8 7 12 15 and x is 11 what is x?

1.10

2.13

3.11

4.12

Posted Date:-2021-09-19 20:01:13


Question:
If X persons are admitted in a hospital during the last five years and Y persons are recovered out of them during this period then find the average number of persons admitted in one year:

1.x/y

2.(x-y)/5

3.x/5

4.(x+y)/5

Posted Date:-2021-09-19 20:01:13


Question:
In a survey the average age was found to be 40 years. After correction the age of 100 people is increased from 35 to 50 years each. The new average is 50 years. The total number of people surveyed are:

1.50

2.120

3.150

4.200

Posted Date:-2021-09-19 20:01:13


Question:
In the above question the sum of the height of new students in class.

1.190

2.610

3.710

4.1890

Posted Date:-2021-09-19 20:01:13


Question:
In the above question what is the average of un-recovered persons per year:

1.(x-y)/5

2.x-y

3.y/x

4.(x+y)/5

Posted Date:-2021-09-19 20:01:13


Question:
In the class of 100 students at KIPS average marks of the students in the mathematics tests were 80. How many got exactly 80 marks in the test?

1.50

2.more than 50

3.less than 50

4.it can not be determined

Posted Date:-2021-09-19 20:01:13


Question:
Let X be the median and Y the mode of the following set of numbers: 15 60 30 40 60 90. What is the average (arithmetic mean) of X and Y.

1.55

2.50

3.60

4.65

Posted Date:-2021-09-19 20:01:13


Question:
Sum of weights of a class of 20 is 290 kg. Another student of weight 25 kg is also enrolled. Find the new average of the class.

1.15 kg

2.17 kg

3.21 kg

4.14 kg

Posted Date:-2021-09-19 20:01:13


Question:
The average age in a city of 10000 is 40 years. The average of half of them is 50 years. The average of remaining ones is.

1.15

2.25

3.30

4.35

Posted Date:-2021-09-19 20:01:13


Question:
The average age of 6 men is increased by 3 years when two of them whose ages are 25 and 27 years are replaced by two men. The average age of two newcomers is:

1.25 years

2.32 years

3.30 years

4.35 years

Posted Date:-2021-09-19 20:01:13


Question:
The average age of a class is 12 years and total age is 300 years. If a student of age 15 years is now admitted then find the average of the new class.

1.12.11 years

2.11.12 years

3.13.12 years

4.10.13 years

Posted Date:-2021-09-19 20:01:13


Question:
The average age of a class of 40 boys is 11.95 years. The average of the class is raised to 12 years by the coming of a new boy. How old is this new boy?

1.7 years

2.9 years

3.16 years

4.14 years

Posted Date:-2021-09-19 20:01:13


Question:
The average age of a class of 60 boys which is 11.9 years is raised to 12 years by coming of a new boy the age of the new boy is:

1.27 years

2.23 years

3.18 years

4.17 years

Posted Date:-2021-09-19 20:01:13


Question:
The average attendance per week of a class of 21 during a week is 5. If the average attendance per week of 20 of them during the week is 5.1 then the attendance of the last one during the week will be

1.4

2.5

3.3

4.6

Posted Date:-2021-09-19 20:01:13


Question:
The average earning of a firm for first 6 months is Rs. 2100 per month. While for the last two quarters is Rs. 6300 per puarter. The net average income per month will be:

1.1750

2.3900

3.25200

4.2100

Posted Date:-2021-09-19 20:01:13


Question:
The average earning of a shop for first three weeks of a month are 2750 per week. If the earnings of next 2 weeks are 4750 rupees then find total earnings of the 5 weeks.

1.3000

2.17500

3.17750

4.13000

Posted Date:-2021-09-19 20:01:13


Question:
The average expenditure of a man for the first 7 months is Rs. 130 and for the next 5 months is Rs. 140. He withdraws a sum of Rs.110 from his bank. His average monthly earning is

1.Rs. 125

2.Rs. 145

3.Rs. 155

4.Rs. 120

Posted Date:-2021-09-19 20:01:13


Question:
The average height of a class of 18 students is 105 cm. After the arrival of 7 new students the average decreases by 5cm. Find sum of the heights of all the students in the class.

1.1890

2.2500

3.2625

4.2890

Posted Date:-2021-09-19 20:01:13


Question:
The average height of a class of 25 students is 4.4 feet. A student of height 5.7 feet is newly enrolled. Find the new average.

1.4.43 feet

2.4.45 feet

3.4.31 feet

4.4.30 feet

Posted Date:-2021-09-19 20:01:13


Question:
The average income of a group of 3 men V W and X is 54 rupees. An other man Y joins their group and the average now becomes 50 rupees. If another men Z Whose income is 5 more than Y replaces V and average of W X Y and Z becomes 49. What is the income of V.

1.47

2.50

3.54

4.55

Posted Date:-2021-09-19 20:01:13


Question:
The average of 8 observations is 24. if one more observation of 33 is added then the new average will be

1.20

2.25

3.24

4.28

Posted Date:-2021-09-19 20:01:13


Question:
The average of crimes per week in a city is A. Find the number of crimes in 4 weeks.

1.A/4

2.4A/7

3.4A

4.7A/4

Posted Date:-2021-09-19 20:01:13


Question:
The average of goals scored for a match before final is 5. After the final this average is decreased by 0.2. If 10 matches are played throughout the tournament then the goals scored in final are:

1.2

2.3

3.4

4.5

Posted Date:-2021-09-19 20:01:13


Question:
The average salary of employees in a factory is Rs. 2200. All employees are divided in two grades A and B having an average of Rs. 2450 and Rs. 1950 respectively. If grade A has 10 employees then how many employees have grade B:

1.12

2.16

3.20

4.none

Posted Date:-2021-09-19 20:01:13


Question:
The average temperature for first 4 days i.e. Monday Thursday is 37.5C?. While for the last 4 days i.e. Thursday to Sunday is 30C?. If the temperature on Thursday is 30?C then the average for the whole week will be:

1.34.3

2.35

3.36

4.37.4

Posted Date:-2021-09-19 20:01:13


Question:
The average temperature of a week is 33C?. Average of first three days is 30?C while of the last three is 35?C. What is the temperatureof the fourth day?

1.33

2.35

3.36

4.40

Posted Date:-2021-09-19 20:01:13


Question:
The average weight of 20 students in a class is decreased by 500 grams when one of the students who weights 40 kg is replaced by a new boy. The weight of the new boy is

1.35 kg

2.40 kg

3.30 kg

4.50 kg

Posted Date:-2021-09-19 20:01:13


Question:
The average weight of a group of boys and girls is 37.5 kg. The average weight of the boys is 40 kg and that of girls is 35 kg. If the number of boys is 25 find the number of girls.

1.12

2.25

3.28

4.21

Posted Date:-2021-09-19 20:01:13


Question:
The average weight of the class of 35 students was 45 kg. With the admission of a new student the average weight came down to 44.5 kg. Find the weight of new student.

1.27 kg

2.30 kg

3.25 kg

4.45 kg

Posted Date:-2021-09-19 20:01:13


Question:
The number of deths in increased by 24 in a hospital during this year. If there are 2A deaths in last 2 years then the average for the three years will be:

1.(2A+24)/2

2.A+12

3.(2A+2y)/3

4.(2A+24)/3

Posted Date:-2021-09-19 20:01:13


Question:
There are 45 persons staying at a hostel. The average expenses of a person for a day are rupees 20. The total expenses for all the persons for a week are:

1.295

2.900

3.9000

4.6300

Posted Date:-2021-09-19 20:01:13


Question:
There were 40 members in a certain hostel. If 10 members are more admitted the expenses of the mess was increased by Rs. 50 per month while the average expenditure per head diminished by Rs.3. The original monthly expenses are:

1.Rs. 620

2.Rs.800

3.Rs. 700

4.Rs. 850

Posted Date:-2021-09-19 20:01:13


Question:
What is median of 87 62 55 48 59 35 64 91 50?

1.59

2.55

3.48

4.62

Posted Date:-2021-09-19 20:01:13


Question:
What is mode of 52 50 52 18 7 2 3 18 5 7 5 3 2 2 2?

1.7

2.18

3.2

4.1

Posted Date:-2021-09-19 20:01:13


Question:
What is the average (arithmetic mean) of the positive integers from 101 to 200 inclusive?

1.150.5

2.155

3.145

4.160.5

Posted Date:-2021-09-19 20:01:13


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