Quantitative Aptitude

Page 26 of 48 • 475 total questions

Quantitative Aptitude • Average
1 markView Details

A batsman has an average of 28 runs in 10 innings. How many runs must he score in his next innings to increase his average to 32?

A

72

B

68

C

64

D

76

Quantitative Aptitude • Average
1 markView Details

The average of 8 numbers is 25. If the average of first three numbers is 22 and the average of next three numbers is 26, what is the average of the remaining two numbers?

A

28

B

29

C

27

D

30

Quantitative Aptitude • Average
1 markView Details

The average of 12 numbers is 18. If each number is increased by 2 and then each resulting number is divided by 2, what is the new average?

A

10

B

11

C

9

D

12

Quantitative Aptitude • Average
1 markView Details

The average of 20 numbers is 35. It was later found that one number 42 was misread as 24. What is the correct average?

A

35.9

B

36.1

C

36.5

D

35.5

Quantitative Aptitude • Average
1 markView Details

The average of 10 numbers is 24. If each number is multiplied by 3 and then decreased by 6, what is the new average?

A

66

B

72

C

60

D

78

Quantitative Aptitude • Average
1 markView Details

The average of 30 numbers is 45. If two numbers 25 and 35 are removed and three numbers 40, 50, and 60 are added, what is the new average?

A

46

B

46.45

C

47

D

46.5

Quantitative Aptitude • Average
1 markView Details

The average of 5 numbers is 40. If a number is replaced by another number, the average becomes 38. If the replaced number was 50, what is the new number?

A

40

B

38

C

42

D

36

Quantitative Aptitude • Average
1 markView Details

The average of 25 consecutive even numbers is 60. What is the average of the last 10 of these numbers?

A

68

B

66

C

70

D

72

Quantitative Aptitude • Average
1 markView Details

The average age of a committee of 12 members is 48 years. A member aged 62 years retired and a new member joined, reducing the average age by 2 years. What is the age of the new member?

A

38 years

B

40 years

C

36 years

D

42 years

Quantitative Aptitude • Average
1 markView Details

In a class of 60 students, the average weight of all students is 52 kg. If the average weight of boys is 58 kg and that of girls is 48 kg, how many girls are there in the class?

A

36

B

30

C

24

D

40

Page 26 of 48