Average problems
- 1. 3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?
Options- A. 45
- B. 30
- C. 15
- D. 48 Also asked in: Bank Exams
Correct Answer: 48
- 2. The average weight of P, Q and R is 45 kg. If the average weight of P and Q be 36.5 kg and that of Q and R be 52 kg, then what is the weight (in kgs) of Q?
Options- A. 42
- B. 44
- C. 46
- D. 48 Discuss
Correct Answer: 42
- 3. Average age of 20 students is 21 years. 2 students leave the group and 1 new student joins the group. The average now becomes 20 years. If age of one of the student who left the group is 26 years and the one who joined is 20 years, then what is the age (in years) of the other student who left the group?
Options- A. 20
- B. 14
- C. 22
- D. 16 Also asked in: Bank Exams
Correct Answer: 14
- 4. Each member of a club contributes as much rupees and as much paise as the number of members of the club. If the total contribution is Rs. 2525, then the number of members of the club is
Options- A. 60
- B. 45
- C. 55
- D. 50 Also asked in: Bank Exams
Correct Answer: 50
- 5. The average (arithmetic mean) amount of savings of ten students is Rs. 600. Three of the students have no savings at all and each of the others have at least Rs. 250 including Nihar, who has exactly Rs. 1300. The largest amount, in Rs., that any one student could have is
Options- A. 3250
- B. 3450
- C. 3650
- D. 3850 Also asked in: Bank Exams
Correct Answer: 3450
- 6. A batsman has a certain average of runs for 12 innings. In the 13th inning he scores 96 runs thereby increasing his average by 5 runs. What will be his average after 13th inning?
Options- A. 28
- B. 32
- C. 36
- D. 42 Also asked in: Bank Exams
Correct Answer: 36
- 7. A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was
Options- A. 672
- B. 665
- C. 645
- D. 588 Also asked in: Bank Exams
Correct Answer: 665
- 8. A librarian purchased 60 story books for his library. But he found that he could get 4 extra books by spending Rs 336 more and then the overall average price per book would be reduced by Re 1. The previous average price of each book was
Options- A. Rs 84
- B. Rs 83
- C. Rs 68
- D. Rs 100 Also asked in: Bank Exams
Correct Answer: Rs 100
- 9. In an exam, the avarage marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies and Craft were 70. If the average marks in all seven subjects is 58, his score in maths was
Options- A. 50
- B. 52
- C. 60
- D. 74 Also asked in: Bank Exams
Correct Answer: 74
- 10. Mahesh buys 3 shirts at an average price of Rs 1250. If he buys 2 more shirts at an average price of Rs 1450 what will be the average price (in Rs) of all the 5 shirts he buys?
Options- A. 1370
- B. 1330
- C. 1310
- D. 1390 Also asked in: Bank Exams
Correct Answer: 1330
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