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Average

Average - Important Points


1. The average of first 7 multiples of 3 is:

A. 10

B. 15

C. 18

D. 12

Discuss Work Space

Answer: option d

Explanation:

Average of 3,6,9,12,15,18,21 is 12 which is the middle term.

2. The average of first 13 multiples of 12 is:

A. 72

B. 84

C. 60

D. 96

Discuss Work Space

Answer: option b

Explanation:

Average will be the middle term = 84

3. What is the average of all the multiples of ten from 10 to 190 (both inclusive)?

A. 90

B. 95

C. 100

D. 105

Discuss Work Space

Answer: option c

Explanation:

Average = (10 + 190)/20 = 100

4. A student on her first 3 tests received an average score of N points. If he exceeds his previous average score by 40 points on his fourth tests , then what is the average score for the first 4 tests?

A. N + 30

B. N + 20

C. N + 15

D. N + 10

Discuss Work Space

Answer: option d

Explanation:

40 will be distributed in 4 tests. So, average score = N + 10

5. In a class of 10 students, the average marks obtained by them is 30. The average marks obtained by the first six students is 20, and the last five is 42. The marks obtained by the sixth student is:

A. 35

B. 27

C. 30

D. 40

Discuss Work Space

Answer: option c

Explanation:

Total marks = 10 x 30 = 300
Total marks including sixth student = (6 x 20) + (5 x 42) = 330
So, marks of sixth student = 30



Average Questions and Answers FAQ

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Average is an important topic of Quantitative Aptitude. MCQ type Questions with Answers of Average are required to build your Quantitative Aptitude skills which is a prerequisite for your Career development.

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