InfyTQ Averages Quiz 3

Question 1

Time: 00:00:00
Andrew’s ten matches score averaged to 28.4, Determine average score of last four matches if first six matches score averaged to 42.

8

8

6

6

9

9

10

10

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Question 2

Time: 00:00:00
The average of ten numbers is 38.9, If 42 is the average of first six numbers, then find last four numbers average.

34.25

34.25

35.23

35.23

45.54

45.54

50.65

50.65

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Question 3

Time: 00:00:00
The average age of 60 students in a college was calculated as 27 years. Later, it was realized that the age of one of the students was taken as 44 years instead of 34 years. Then, find the actual average age of all the students.

26.67

26.67

35.23

35.23

25.55

25.55

30.65

30.65

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Question 4

Time: 00:00:00
If the average age of father, mother & their 2 sons is 53 years. And 5 years ago, the ratio of ages of father, mother and two sons (elder and younger) was 6 : 5 : 2 : 3. Then find the sum of ages of two sons after 8 years?

87

87

90

90

85

85

86

86

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Question 5

Time: 00:00:00
From set S = {4, 6, 8, 9, 13}, find the number which can be removed without changing the average?

4

4

6

6

8

8

9

9

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Question 6

Time: 00:00:00
Average price of 6 apples and 3 mangoes is Rs. 36 and that of 8 apples and 7 mangoes is Rs. 48,how much 140 apples and 100 mangoes costs?

10440

10440

12160

12160

13410

13410

10690

10690

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Question 7

Time: 00:00:00
12000 Rs. is the average salary of 8 technicians who are working in a workshop, and the average salary of the remaining workers is Rs. 3000, find the overall number of workers working in the workshop, if Rs. 11000 is the average salary of all workers?

4

4

6

6

8

8

9

9

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Question 8

Time: 00:00:00
Average of natural numbers from 1 to 69?

40

40

46

46

38

38

35

35

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Question 9

Time: 00:00:00
Find average of all even numbers from 2 to 16?

10

10

5

5

4

4

9

9

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Question 10

Time: 00:00:00
Find average of all odd numbers from 3 to 21?

7

7

8

8

12

12

9

9

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["0","40","60","80","100"]
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