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- Question
- The Average of 100, 200, 300, 400, ... , 1000 is 550. If each number is divided by 5, then the new average will be equal to
Options- A. 450
- B. 45
- C. 55
- D. None of these
- Correct Answer
- None of these
ExplanationActual average
=( 100 + 220 + 300 + ... + 1000 ) / 10
=550
New Average = 550 / 5
=110 - 1. The salary of A, B, C, D, E is Rs. 8000, Rs. 5000, Rs. 11000, Rs. 7000, Rs. 9000 per month respectively, then the average salary of A, B, C, D, and E per month is
Options- A. Rs. 7000
- B. Rs. 8000
- C. Rs. 8500
- D. Rs. 9000 Discuss
- 2. The average of 6 number 13, 17, 25, 11, 26, 10 is
Options- A. 20
- B. 17
- C. 15
- D. 25 Discuss
- 3. The average age of 7 member of Patel's family is 25 year. The average age of the same family 3 year ago was
Options- A. 21 year
- B. 22 year
- C. 25 year
- D. none of these Discuss
- 4. A has 8 pencils, B has 10 pencils and C has 15 pencils, then the average number of pencils with them are
Options- A. 8
- B. 10
- C. 15
- D. lies between 9 and 15 Discuss
- 5. The average of 8, 9, 12, 13, 15, 9 is
Options- A. 11
- B. 6
- C. 16
- D. 18 Discuss
- 6. A, B, C, D, E are the five electronic shops in the Naza market, which have 20, 30, 60, 80 and 50 T. V . sets with them respectively, then the average number of T. V. sets in each shop is
Options- A. 24
- B. 48
- C. 50
- D. 60 Discuss
- 7. A, B, C, D, E, F are the only six families in Indira Nagar. A, B, C, D, E and F has 7, 8, 10, 13, 6, and 10 member in their families respectively. If 1 member from all the six families left their respective families to accommodate themselves in the hostel of IIM Lucknow, then the average number of member now in each family of Indira nagar is
Options- A. 8
- B. 9
- C. 10
- D. 13 Discuss
- 8. The average number of shirts with Salman, Ambani and Dalmiya is 60, if all of them reached a shopping mall in Delhi and purchased 6 shirts each of them then average number of shirt each of them now has
Options- A. 66
- B. 63
- C. 62
- D. can't be determined Discuss
- 9. In a flower shop there were 6 flowers in each bouquet. If the seller has doubled the number of flowers in each bouquet then the new average of flowers in each bouque is
Options- A. 12
- B. 3
- C. 8
- D. none of these Discuss
- 10. The average salary of A, B is Rs. 6000 and that of C, D and E is Rs. 8000. The average salary of all the 5 people is
Options- A. Rs.7200
- B. Rs. 7000
- C. Rs. 7500
- D. can't be determined Discuss
Average problems
Search Results
Correct Answer: Rs. 8000
Explanation:
Average salary
= 8000 + 5000 + 11000 + 7000 + 9000 / 5
= Rs. 8000
Correct Answer: 17
Explanation:
Average = sum of 6 numbers / 6
= ( 13 + 17 + 25 + 11 + 26 + 10 ) / 6
= 102 / 6
= 17
Correct Answer: 22 year
Explanation:
Present average age of family
= 25 year
3 year ago average of family
= 25 - 3 = 22 years
Correct Answer: lies between 9 and 15
Explanation:
Average number of pencils
= ( 8 + 10 + 15 ) / 3
=11
Correct Answer: 11
Explanation:
Average = (8 + 9 + 12 + 13 + 15 + 9)/6
= 66 / 6
= 11
Correct Answer: 48
Explanation:
Average number of T. V. sets
= ( 20 + 30 + 60 + 80 + 50 ) / 5
= 48
Correct Answer: 8
Explanation:
Required average
= (( 7 - 1 ) + ( 8 - 1 ) + ( 10 - 1 ) + ( 13 - 1 ) + (6 - 1) +( 10 - 1 ) )/ 6
= ( 7 + 8 +10 + 13 + 6 + 10 ) / 6 - ( 6 x 1 ) / 6
=9 - 1 = 8
Correct Answer: 66
Explanation:
Required average
= Old average + New average
= 60 + 6 = 66
Correct Answer: 12
Explanation:
Now required average
= old average x Multiplicand
= 6 x 2 = 12
Correct Answer: Rs.7200
Explanation:
Required average salary
= ( 6000 x 2 + 8000 x 3) / (2 + 3 )
= 36000 / 5
= Rs. 7200
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