
Averages Practice Test 2

Quiz
•
Mathematics
•
Professional Development
•
Medium
Thirumoorthy Rathinakumar
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the average of the following set of numbers?
302, 152, 132, 122, 112
140
150
170
180
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The average age of A, B and C is 26 years. If the average age of A and C is 29 years, what is the age of B in a year?
25 years
28 years
21 years
24 years
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A cricketer scored 180 runs in the first test and 258 runs in the second. How many runs should he score in the third test so that his average score in the three tests would be 230 runs?
200
252
270
280
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Average of ten positive numbers is x. If each number is increased by 10%, then x :
Increased by 10
Increased by 10%
Increased by 100
Increased by 100%
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Average weight of 10 boys is more than the average weight of 15 girls by 5 kg. If the total weight of the 10 boys is 550 kg, what is the average of the 10 boys and 15 girls together?
20 kg
21 kg
22 kg
23 kg
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimation, what is the average of different probable weights of Arun?
64 kg
66kg
67 kg
68 kg
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today . The present age of the baby is:
2 years
1 years
3 years
0 years
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