Explore topic-wise MCQs in Mathematics Quizzes.

This section includes 97 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Quizzes knowledge and support exam preparation. Choose a topic below to get started.

1.

The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?
A. 46
B. 56
C. 34
D. 57
Answer» C. 34
Discussion
2.

The average of 13 numbers is 60. Average of the first 7 of them is 57 and that of the last 7 is 61. Find the 8th number?
A. 46
B. 32
C. 68
D. 51
Answer» B. 32
Discussion
3.

The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?
A. 50
B. 47.5
C. 59
D. 52.5
Answer» E.
Discussion
4.

The average of the marks of 12 students in a class is 36. If the marks of each student are doubled, find the new average?
A. 72
B. 45
C. 37
D. 79
Answer» B. 45
Discussion
5.

The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.
A. 57.4
B. 57.5
C. 58.9
D. 59.1
Answer» E.
Discussion
6.

Masood purchased a plot for Rs. 8,000. He sells the plot to Aftab at a profit of 20%. Aftab in turn sells that plot to Zahid at a loss of 20%. The plot costs Zahid ?
A. Rs. 12,000
B. Rs. 10,000
C. Rs. 8670
D. Rs. 7680
Answer» E.
Discussion
7.

The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?
A. 8
B. 6
C. 5
D. 2
Answer» D. 2
Discussion
8.

If a car is sold for Rs..50000 the profit is 17 percent, what would be profit percentage if sold for Rs. 47000?
A. 14.85%
B. 9.98%
C. 16.20%
D. 14.50%
Answer» C. 16.20%
Discussion
9.

The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?
A. 9
B. 8
C. 7
D. 6
Answer» B. 8
Discussion
10.

The average of first five prime numbers greater than 20 is____________?
A. 31.00
B. 31.01
C. 32.00
D. 32.2
Answer» E.
Discussion
11.

Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is___________?
A. Rs.3
B. Rs.4.50
C. Rs.5.00
D. Rs.7.50
Answer» D. Rs.7.50
Discussion
12.

A team of eight entered for a shooting competition. The best marks man scored 85 points. If he had scored 92 points, the average scores for. The team would have been 84. How many points altogether did the team score?
A. 625
B. 665
C. 632
D. 656
Answer» C. 632
Discussion
13.

The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
A. 36 years
B. 24 years
C. 30 years
D. 18 years
Answer» D. 18 years
Discussion
14.

In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?
A. Rs.5000
B. Rs.4600
C. Rs.5400
D. Rs.2300
Answer» D. Rs.2300
Discussion
15.

The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?
A. 250
B. 275
C. 550
D. 400
Answer» D. 400
Discussion
16.

The average age of M boys is ‘b’ years and of ‘n’ girls ‘c’ years. The average age of all together is_________?
A. (mb – nc)/ (m + n) years
B. (mb + nc)/ (m – n) years
C. (mb + nc)/ (m + n) years
D. (mb – nc)/ (m – n) years
Answer» D. (mb – nc)/ (m – n) years
Discussion
17.

The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?
A. 1 year
B. 2 years
C. 3 years
D. 4 years
Answer» E.
Discussion
18.

A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________?
A. Rs.20
B. Rs.21
C. Rs.22
D. Rs.23
Answer» C. Rs.22
Discussion
19.

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings?
A. 34
B. 35
C. 36
D. 37
Answer» E.
Discussion
20.

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:
A. 53.33
B. 54.68
C. 55
D. None of these
Answer» C. 55
Discussion
21.

The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
A. 7 years
B. 11 years
C. 18 years
D. 27 years
Answer» D. 27 years
Discussion
22.

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?
A. 40 degrees
B. 38 degrees
C. 36 degrees
D. 34 degrees
Answer» E.
Discussion
23.

A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
A. Rs.150
B. Rs.225
C. Rs.250
D. None
Answer» E.
Discussion
24.

The average marks in mathematics scored by the students of a school at the public examination were 39. If four of these students who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of students sent up for examination from the school?
A. 20
B. 25
C. 30
D. 32
Answer» C. 30
Discussion
25.

Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them?
A. Rs.29.25
B. Rs.30.25
C. Rs.32
D. Rs.35
Answer» B. Rs.30.25
Discussion
26.

Three years ago the average age of a family of six members was 19 years. A boy have been born, the average age of the family is the same today. What is the age of the boy?
A. 1 year
B. 1.5 years
C. 2 years
D. 2.5 years
Answer» B. 1.5 years
Discussion
27.

The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?
A. 55 kg
B. 62 kg
C. 56 kg
D. None
Answer» E.
Discussion
28.

The average of first ten prime numbers which are odd is____________?
A. 12.9
B. 13.8
C. 15.8
D. 17
Answer» D. 17
Discussion
29.

The average salary per head of the entire staff of an office including the officers and clerks is Rs.90. The average salary of officers is Rs.600 and that of the clerks is Rs.84. If the number of officers is 2, find the number of officers in the office?
A. 1540
B. 960
C. 840
D. 1020
Answer» E.
Discussion
30.

The average of first 10 even numbers is___________?
A. 18
B. 22
C. 9
D. 11
Answer» E.
Discussion
31.

Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
A. 2.5
B. 2.0
C. 1.75
D. 1.5
E. 1.25
Answer» E. 1.25
Discussion
32.

The average of first 10 odd numbers is_____________?
A. 11
B. 10
C. 12
D. 17
Answer» C. 12
Discussion
33.

The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?
A. 11.0
B. 11.3
C. 11.4
D. 11.5
Answer» E.
Discussion
34.

The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?
A. 15
B. 9
C. 18
D. 21
Answer» C. 18
Discussion
35.

The average of first 10 natural numbers is____________?
A. 5
B. 5.5
C. 6.5
D. 6
Answer» C. 6.5
Discussion
36.

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average of the team?
A. 23 years
B. 24 years
C. 25 years
D. None of these
Answer» B. 24 years
Discussion
37.

The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?
A. 58
B. 86
C. 49
D. None of these
Answer» C. 49
Discussion
38.

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is____________?
A. Rs. 3500
B. Rs. 4000
C. Rs. 4050
D. Rs. 5000
Answer» C. Rs. 4050
Discussion
39.

A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?
A. 48 runs
B. 52 runs
C. 55 runs
D. 60 runs
Answer» B. 52 runs
Discussion
40.

The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4?
A. 2
B. 4
C. 70
D. 76
Answer» E.
Discussion
41.

The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager’s salary is added, then the average salary increases by Rs. 100. What is the manager’s monthly salary?
A. Rs. 2000
B. Rs. 2400
C. Rs. 3600
D. Rs. 4800
Answer» D. Rs. 4800
Discussion
42.

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate in the remaining 40 overs to reach the target of 282 runs?
A. 6.25
B. 6.5
C. 6.75
D. 7
Answer» B. 6.5
Discussion
43.

The average age of a 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___________?
A. 19 years
B. 23 years
C. 28.5 years
D. 29.3 years
Answer» B. 23 years
Discussion
44.

A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
A. 250
B. 276
C. 280
D. 285
Answer» E.
Discussion
45.

A family consists of grandparents, 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. What is the average age of the family?
A. 28 4/7 years
B. 31 5/7 years
C. 32 1/7 years
D. None of these
Answer» C. 32 1/7 years
Discussion
46.

The average of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students?
A. 15 years
B. 17 years
C. 18 years
D. 19 years
Answer» E.
Discussion
47.

The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?
A. 25
B. 27
C. 30
D. 35
Answer» E.
Discussion
48.

A trader purchased two colour televisions for a total of Rs. 35000. He sold one colour television at 30% profit and the other 40% profit. Find the difference in the cost prices of the two televisions if he made an overall profit of 32%?
A. Rs. 21000
B. Rs. 17500
C. Rs. 19000
D. Rs. 24500
Answer» B. Rs. 17500
Discussion
49.

If the arithmetic mean of seventy five numbers is calculated, it is 35. If each number is increased by 5, then mean of new number is___________?
A. 30
B. 40
C. 70
D. 90
Answer» C. 70
Discussion
50.

The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is___________?
A. 35.2
B. 36.1
C. 36.5
D. 39.1
Answer» D. 39.1
Discussion