Averages Question Sheet
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Table Of Content
Practice Question
Answer Key
Averages Question Sheet
Q.1 The average of a batsman for 40 innings is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, his average drops by 2 runs. Find his highest score.
171
174
177
179
Q.2 The average of 27 consecutive integers is 0. If A is the average of the first 11 integers and B is the average of the last 11 integers, what is the relation between A and B a. |A| > |B|
B. |A| < |B|
C. IAI = IBI
D. Cannot be determined
Q.3 If the average of five consecutive odd numbers is 17, then find the highest number among them.
15
17
19
21
Q.4 If the mean of the observations x, x + 4, x + 5, x + 7, x + 9 is 9, then the mean of the last three observations is:
7
8
10
11
Q.5 Average of first eight multiples of 8 is:
32
36.
46
72
Q.6 If the average of five consecutive odd numbers is 17, then find the highest number among them.
15
17
19
21
Q.7 The average weight of a class of 40 students is 40 kg. If a student, whose weight is 40 kg, joins the class, then what will be the new average weight of the class?
40
41
44
80
Q.8 The average of 11 consecutive natural numbers is ‘R’. By how much will the average increase if the next four natural numbers are also added?
1
2
3
4
Q.9 Average age of the class of 24 students is 20 years. Average age of the class is increased by two years when the age of the class teacher is included. Find the age of the class teacher.
60
70
74
78
Q.10 The mean of a set of eight numbers is 63. If one of the numbers is discarded, the mean of the remaining numbers is 58. The value of discarded number is:
78
88
98
99
Q.11 The average age of a class of 20 students increases by 1, when the average of the entire class is calculated considering the teacher whose age is 33 years. Find the average age of the class(excluding the teacher).
11 years
12 years
13 years
12.5 years
Q.12 The average salary of 32 employees of a company is Rs.64,000. Two new employees A & B have joined the company whose salaries are Rs.52,000 and Rs.1,44,000 respectively. What is the new average salary of the employees?
Rs.66,000
Rs.67,000
Rs.65,000
Rs.65,500
Rs.67,500
Q.13 The average weight of a group of 5 men is reduced by 6 kgs when the heaviest person is replaced by someone lighter. If the weight of new person is 95 kgs, what was the weight of heaviest person
120 kgs
115 kgs
101 kgs
125 kgs
Q.14 The average age of a group of 15 students decreased by 1.2 year when a new boy of age 25 joined the group and an existing boy left. What is the age of the boy who left?
Q.15The average of five consecutive even numbers P, Q, R, S and T respectively is 26. what is the product of Q and S?
672
674
678
694
Q.16 The average weight of a group of 12 persons increased by 2.5 kg when 3 men of 40 kg, 38 kg and 42 kg are replaced by 3 women. What will be the average weight of 3 women?
35 kg
48 kg
50 kg
60 kg
Q.17 The average monthly income of A and B is Rs.6050. The average monthly income of B and C is Rs.6700 and that of A and C is Rs.7250. What is the monthly income of A?
6200
6400
6600
7000
Q.18 There are three numbers. When the average of any two is added to the third number the resulting numbers are 104, 111 and 115. What is the average of the given three numbers?
50
55
60
65
Q.19 Out of 12 terms, the average of first 6 terms is 36 and that of last 6 terms is 42. If the average of first 11 terms is 38, find the 12th term.
40
42
44
50
Q.20 The sum of 8 consecutive odd numbers is 256. Also sum of four consecutive even numbers is 100. What is the sum of the smallest odd number and second largest even number?
214
212
53
51
Q.21 The average age of 20 employees of a school is 30 years. If 2 new employees are included, then average age is increased by 1 year. Find the average age of the two new employees.
36 years
37 years
41 years
43 years
Q.22 The average of five numbers is 40.8. The average of the first and the second number is 46. The average of the fourth and the fifth number is 37. What is the third number?
38
36
34
32
Q.23 The age of 4 friends are in the ratio 1 : 2 : 3 : 4 and their average age is 15 years. Find the age of the oldest friend among the given 4 friends.
12 years
18 years
24 years
30 years
Q.24 The average age of a group of 20 is reduced by 3, if one person is replaced by someone 1/3rd of his age. Find the age of the person who is replaced.
60
90
120
150
Q.25 There are 4 numbers. The average of first 3 numbers is 34 and the average of last 3 numbers is 32. The last number is 22 then find out the first number.
22
28
32
42
Q.26 The average of five positive numbers is 132. If the first number is four-seventh of the sum of the last four numbers, then the average of the last four numbers is:
80
90
95
105
Q.27 Four friends went to a hotel. Two of them paid equal amounts whereas one paid Rs.30 more than the average and other paid Rs.10 less than the average. If the total bill was Rs.180, how much was the equal amount paid by the two friends?
Rs.45
Rs.35
Rs.25
Rs.40
Averages Question Sheet Answer
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
B | C | D | D | B | D | A | B | B | C |
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
B | A | D | 43 | A | C | C | B | D | d |
21 | 22 | 23 | 24 | 25 | 26 | 27 | |||
C | A | C | B | B | D | B |
Averages Question Sheet
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