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Average Aptitude Set 1

1) What is the average of first five multiples of 12?

1. 36
2. 38
3. 40
4. 42

Explanation:

Average = 12∗(1+2+3+4+5) ∗

= 12 ∗ 15∗

= 12 ∗ 3= 36

2) Average of five numbers is 20. If each number is multiplied by 2, what will be the new average?

1. 30
2. 40
3. 50
4. 60

Explanation:

The new average = Initial average ∗ 2

= 20 ∗ 2 = 40

3) If the average of three consecutive even numbers is 34, find the largest of these numbers.

1. 30
2. 32
3. 34
4. 36

Explanation:

Let the first number is X, then the next two even numbers would be X+2, X+4

As per question;

= 34

= 34

3X + 6 = 102

3X = 96

X = 32

Largest number would be = 32 + 4 = 36

4) 10 typists can type 600 pages in 8 hours.Find the average number of pages typed by each typist in an hour.

1. 7 pages
2. 7.5 pages
3. 8 pages
4. 8.5 pages

Explanation:

Total pages typed by 10 typists in 8 hours = 600

Pages typed by one typist in 8 hours =  = 60 pages

Pages typed by one typist in one hour =  = 7.5 pages

5) The average of Sohan’s marks in 6 subjects is 74. If his average in five subjects excluding science is 70, how many marks he obtained in science?

1. 94
2. 92
3. 90
4. 88

Explanation:

Total marks obtained in 6 subjects = 6 ∗ 74 = 444

Total marks in 5 subjects excluding science = 5 ∗ 70 = 350

Therefore, marks obtained in science would be = 444 – 350 = 94

Average Aptitude Set 2

Average Aptitude Set 3

Average Aptitude Set 4

Average Aptitude Set 5

Average Aptitude Set 6

Average Aptitude Set 7

Average Aptitude Set 8

Average Aptitude Concepts

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