Average - Aptitude MCQ Questions and Solutions with Explanations Page-11 section-2

Section 1 Section 2 Section 3 Section 4 Section 5

101.
If the arithmetic mean of seventy-five numbers us calculated, it is 35. If each number is increased by 5, then mean of new numbers is:

A. 30

B. 40

C. 70

D. 90

Answer & Solution Discuss in Board Save for Later

102.
A student obtained 60, 75 and 85 marks respectively in three monthly examinations in Physics and 95 marks in the final examination. The three monthly examinations are equal weighted whereas the final examination is weighted twice as much as a monthly examination. His average marks in physics are-

A. 78.75

B. 79

C. 82

D. 85

Answer & Solution Discuss in Board Save for Later

103.
The average age of all the students of a class is 18 years. The average age of boys of the class is 20 years and that of the girls is 15 years. If the number of girls in the class is 20, then find the number of boys in the class.

A. 15

B. 30

C. 45

D. 50

Answer & Solution Discuss in Board Save for Later

104.
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 each the target of 282 runs?

A. 6.25

B. 6.5

C. 6.75

D. 7

Answer & Solution Discuss in Board Save for Later

105.
If the average of 5 numbers is 10, the number which should be added to make the average 12 is-

A. 12

B. 18

C. 22

D. 24

Answer & Solution Discuss in Board Save for Later

106.
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

A. 165 runs

B. 170 runs

C. 165 runs

D. 174 runs

Answer & Solution Discuss in Board Save for Later

107.
The average marks of a student in 8 subjects is 87. Of these, the highest marks are 2 more than the one next in value. If these two subjects are eliminated, the average marks of the remaining subjects are 85. What are the highest marks now obtained by him?

A. 89

B. 91

C. 94

D. 96

Answer & Solution Discuss in Board Save for Later

108.
The average of 80 boys in a class is 15. The average age of a group of 15 boys in the class is 16 and the average age of another 25 boys in the class is 14. What is the average age of the remaining boys in the class?

A. 14

B. 14.75

C. 15.25

D. Cannot be determined

E. None of these

Answer & Solution Discuss in Board Save for Later

109.
The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-

A. 46

B. 50

C. 56

D. 58

Answer & Solution Discuss in Board Save for Later

110.
If the average temperature of first four days of the week was 39°C and the average temperature of the week was 40°C, then what was the average temperature of the last three days of the week?

A. 39.9°C

B. 40.9°C

C. 41.3°C

D. 42.1°C

Answer & Solution Discuss in Board Save for Later

1 2 3 4 5 6 7 8 9 10

Average - Aptitude MCQ Questions and Solutions with Explanations

101. If the arithmetic mean of seventy-five numbers us calculated, it is 35. If each number is increased by 5, then mean of new numbers is:

Answer & Solution

Answer & Solution

103. The average age of all the students of a class is 18 years. The average age of boys of the class is 20 years and that of the girls is 15 years. If the number of girls in the class is 20, then find the number of boys in the class.

Answer & Solution

104. 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 each the target of 282 runs?

Answer & Solution

105. If the average of 5 numbers is 10, the number which should be added to make the average 12 is-

Answer & Solution

106. The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

Answer & Solution

107. The average marks of a student in 8 subjects is 87. Of these, the highest marks are 2 more than the one next in value. If these two subjects are eliminated, the average marks of the remaining subjects are 85. What are the highest marks now obtained by him?

Answer & Solution

108. The average of 80 boys in a class is 15. The average age of a group of 15 boys in the class is 16 and the average age of another 25 boys in the class is 14. What is the average age of the remaining boys in the class?

Answer & Solution

109. The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-

Answer & Solution

110. If the average temperature of first four days of the week was 39°C and the average temperature of the week was 40°C, then what was the average temperature of the last three days of the week?

Answer & Solution

Read More Section(Average)

101.
If the arithmetic mean of seventy-five numbers us calculated, it is 35. If each number is increased by 5, then mean of new numbers is:

103.
The average age of all the students of a class is 18 years. The average age of boys of the class is 20 years and that of the girls is 15 years. If the number of girls in the class is 20, then find the number of boys in the class.

104.
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 each the target of 282 runs?

105.
If the average of 5 numbers is 10, the number which should be added to make the average 12 is-

106.
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

107.
The average marks of a student in 8 subjects is 87. Of these, the highest marks are 2 more than the one next in value. If these two subjects are eliminated, the average marks of the remaining subjects are 85. What are the highest marks now obtained by him?

108.
The average of 80 boys in a class is 15. The average age of a group of 15 boys in the class is 16 and the average age of another 25 boys in the class is 14. What is the average age of the remaining boys in the class?

109.
The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-

110.
If the average temperature of first four days of the week was 39°C and the average temperature of the week was 40°C, then what was the average temperature of the last three days of the week?