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- Question
Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?
Options- A. 3.5
- B. 7
- C. 10.5
- D. 14
- Correct Answer
- 14
- 1. Starting with 8000 workers, the company increases the number of workers by 5%, 10% and 20% at the end of first, second and third year respectively. The number of workers in the fourth yearwas
Options- A. 10188
- B. 11088
- C. 11008
- D. 11808 Discuss
- 2. The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the average age (in years) of newly joined members?
Options- A. 36.5
- B. 37.2
- C. 38.3
- D. 38.7 Discuss
- 3. Nine students of a class contribute a certain sum of money. Seven of them gave Rs. 50 each and the other two gave respectively Rs. 50 and Rs. 90 more than the others. The average contribution of the class of 9 students is
Options- A. Rs. 70
- B. Rs. 50
- C. Rs. 100
- D. Rs. 120 Discuss
- 4. The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?
Options- A. 16
- B. 20
- C. 24
- D. 30 Discuss
- 5. In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the calss?
Options- A. 21
- B. 20
- C. 22
- D. 19 Discuss
- 6. In a match, average of runs scored by 7 players is 53. If the runs scored by 6 players are 121, 40, 26, 56, 37 and 48, then how many runs did the 7th player scored?
Options- A. 26
- B. 37
- C. 43
- D. 48 Discuss
- 7. The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?
Options- A. 11.25
- B. 11.5
- C. 11.75
- D. 12.25 Discuss
- 8. The average runs conceded by a bowler in 5 matches is 45 and 15.75 in other 4 matches. What is the average runs conceded by the bowler in 9 matches?
Options- A. 15
- B. 32
- C. 35
- D. 53.5 Discuss
- 9. A canteen requires 56 kgs of rice for seven days . The quantity of rice required for the months of April and May together is
Options- A. 468 kg
- B. 488 kg
- C. 498 kg
- D. 508 kg Discuss
- 10. Due to a price hike of 20% , 4 kg less sugar is available for Rs. 120 . What is the initial price per kg of sugar ?
Options- A. Rs. 5 Kg
- B. Rs. 4 Kg
- C. Rs. 6 Kg
- D. Rs. 5.5 Kg Discuss
Average problems
Search Results
Correct Answer: 11088
Correct Answer: 38.7
Correct Answer: Rs. 70
Correct Answer: 20
Correct Answer: 20
Correct Answer: 43
Correct Answer: 11.75
Correct Answer: 32
Correct Answer: 488 kg
Correct Answer: Rs. 5 Kg
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