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- Question
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
- Correct Answer
- 147
- 1. 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 Discuss
- 2. 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 Discuss
- 3. 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 Discuss
- 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) Discuss
- 5. Average of all even numbers between 222 and 250 is __________.
Options- A. 234
- B. 232
- C. 236
- D. 230 Discuss
- 6. 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 Discuss
- 7. 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 Discuss
- 8. The average of marks of 17 students in an examination was calculated as 71. But it was later found that the mark of one student had been wronglyentered as 65 instead of 56 and another as 24 instead of 50. The correct average is
Options- A. 70
- B. 71
- C. 72
- D. 73 Discuss
- 9. The average of runs scored by a cricketer in his 99 innings is 99. How many runs will he have to score in his 100th innings so that his average of runs in 100 innings may be 100?
Options- A. 100
- B. 99
- C. 199
- D. 101 Discuss
- 10. The value of (2+32-3-342) is
Options- A. 36
- B. 336
- C. 49
- D. 49+3 Discuss
Average problems
Search Results
Correct Answer: 3.7
Correct Answer: 39 and 13
Correct Answer: 4536
Correct Answer: 70
Correct Answer: 236
Correct Answer: 83
Correct Answer: 9
Correct Answer: 72
Correct Answer: 199
Correct Answer: 49
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