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Important questions about Average. Average MCQ questions with answers. Average exam questions and answers for students and interviews.

1. The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is

Options

A : 10

B : 23

C : 13

D : 15

2. In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?

Options

A : 6.7

B : 6.5

C : 6.3

D : 4.9

3. What is the average of all numbers between 11 and 80 which are divisible by 6?

Options

A : 46

B : 47

C : 44

D : 45

4. The average of marks obtained by 100 candidates in a certain examination is 30. If the average marks of passed candidates is 35 and that of the failed candidates is 10, what is the number of candidates who passed the examination?

Options

A : 60

B : 70

C : 80

D : 90

5. The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the average height of the whole class (in cm) is:

Options

A : 161

B : 162

C : 163

D : 164

6. The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is

Options

A : 35

B : 45

C : 55

D : 65

7. The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?

Options

A : 1.04

B : 1.08

C : 1.4

D : 1.8

8. In a class of 50 students there are 27 boys. The average weight of these boys is 72 Kg and average weight of the full class is 55.44 kgs. What is the average weight (in kgs) of the girls of the class?

Options

A : 42

B : 48

C : 30

D : 36

9. What is the average of all numbers between 9 and 90 which are divisible by 8?

Options

A : 53

B : 52

C : 51

D : 50

10. An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

Options

A : 3000

B : 4000

C : 5500

D : 2700

1. The average weight of 3 men A, B and C is 84 Kg. Another man D joins the group and the average now becomes 80 Kg. If another man E whose weight is 3 Kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 Kg. What is the weight of A?

Options

A : 70 Kg

B : 72 Kg

C : 75 Kg

D : 80 Kg

2. The average weight of L, M and N is 93 kg. If the average weight of L and M be 89 kg and that of M and N be 96.5 kg, then the weight (in kg) of M is ________.

Options

A : 92

B : 86

C : 101

D : 95

3. Average of all even numbers between 222 and 250 is __________.

Options

A : 234

B : 232

C : 236

D : 230

4. In a class of 60 students there are 20 girls who scored an average of 40 marks in the test, what is the average marks of the boys if the class average is 60 marks?

Options

A : 60

B : 70

C : 50

D : D)

5. An oil refinery buys oil at Rs 3600 per barrel. There is 10% wastage. If the refinery wants to earn 5% profit then at what price should it sell including 8% tax on selling price? (in Rs per barrel)

Options

A : 3674

B : 3711

C : 4219

D : 4536

6. Two students appeared for an examination. One of them secured 26 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

Options

A : 53 and 27

B : 60 and 34

C : 39 and 13

D : 78 and 52

7. In the first 32 overs of a cricket match, the run rate was 7.2 runs/over. What is the required run rate in the remaining 18 overs to reach the target of 297 runs?

Options

A : 4.3

B : 4.9

C : 3.1

D : 3.7

8. The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ___ (app)

Options

A : 146

B : 143

C : 147

D : 145

9. Of the 5 subjects, the average marks of Rakesh in first 3 Subjects was 79 and the average marks in the last 3 subjects was 86. If his marks in the third subject was 80, then what was his average marks in all the 5 subjects?

Options

A : 81

B : 82

C : 83

D : 85

10. The mode of the data 12, 1, 10, 1, 9, 3, 4, 9, 7, 9 is

Options

A : 9

B : 12

C : 1

D : 7

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