Average problems
- 1. 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 Also asked in: Bank Exams
Correct Answer: 3000
- 2. 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 Also asked in: Bank Exams
Correct Answer: 75 Kg
- 3. 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 Also asked in: Bank Exams
Correct Answer: 92
- 4. Average of all even numbers between 222 and 250 is __________.
Options- A. 234
- B. 232
- C. 236
- D. 230 Also asked in: Bank Exams
Correct Answer: 236
- 5. 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) Also asked in: Bank Exams
Correct Answer: 70
- 6. 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 Also asked in: Bank Exams
Correct Answer: 4536
- 7. 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 Also asked in: Bank Exams
Correct Answer: 39 and 13
- 8. 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 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 3.7
- 9. 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 Also asked in: Bank Exams
Correct Answer: 147
- 10. 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 Also asked in: Bank Exams
Correct Answer: 83
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