Explore topic-wise MCQs in Mathematics Quizzes.

This section includes 22 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.

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
2.

The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?

A. 75
B. 150
C. 50
D. None of these
Answer» B. 150
3.

The temperature at noon in LHR ,Pakistan was 6 deg on Monday ,4deg on Tuesday,2deg below zero on Wednesday,3deg below zero on Thursday, 0 deg on Friday ,3 deg on Saturday ,and 6 deg on Sunday. What was the average temperature at noon for the week ?

A. 14 deg
B. -2 deg
C. 2 deg
D. 7 deg
Answer» D. 7 deg
4.

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.
5.

The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13 runs. Find his average in all the 30 matches?

A. 31
B. 29
C. 28
D. 30
Answer» B. 29
6.

The average of women and child workers in a factory was 15%yr. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were________?

A. 16
B. 12
C. 8
D. 6
Answer» E.
7.

The average of two numbers is XY.If one number is equal to X ,the other number is equal to_________?

A. X
B. 2Y
C. XY-X
D. 2 XY -2 X
Answer» E.
8.

The average of the two-digit numbers, which remain the same when the digits interchange their positions, is__________?

A. 33
B. 44
C. 55
D. 66
Answer» D. 66
9.

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
10.

The average of first 10 odd numbers is_____________?

A. 11
B. 10
C. 12
D. 17
Answer» C. 12
11.

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
12.

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
13.

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
14.

The average mark of the students of a class in a particular exam is 80. If 5 students whose average mark in that exam is 40 are excluded, the average mark of the remaining will be 90. Find the number of students who wrote the exam.

A. 20
B. 15
C. 25
D. 35
Answer» D. 35
15.

The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?

A. Rs. 25
B. Rs. 18
C. Rs. 15
D. Rs. 22
Answer» D. Rs. 22
16.

The average age of students in a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ration of the number of boys to the number of girls in the class is___________?

A. 1:2
B. 2:3
C. 3:4
D. 3:5
Answer» C. 3:4
17.

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
18.

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
19.

The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?

A. 22
B. 24
C. 12
D. 8
Answer» D. 8
20.

In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?

A. 8
B. 9
C. 10
D. 11
Answer» E.
21.

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.
22.

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