Civil Service Exam Reviewer · Averages · medium
The average of 7 numbers is 63. If 50 is added to the set, what is the new average?
- 56.5
- 70.14
- 61.38
- 63
Answer
C. 61.38
Solution
Sum = 7 × 63 = 441. New sum = 491; new average = 491 ÷ 8 = 61.38.
More Averages questions
- A student's grades (with units) are: 1.5 (3 units), 1.25 (3 units), 1 (5 units), 1.5 (5 units). What is the weighted average (GWA)?
- Gino's scores in the first 3 exams are 69, 73, 74. What score is needed in the next exam to have an average of 78?
- What is the median of 54, 64, 86, 12, 2, 8?
- The average of a set of numbers is 32. If 6 is added to each number, what is the new average?
- What is the average of the first 15 positive even numbers?
- Section A has 24 students with an average of 82; Section B has 16 students with an average of 83. What is the combined average?
- The average of 8 numbers is 36. If 46 is added to the set, what is the new average?
- A student's grades (with units) are: 2.5 (3 units), 1.5 (2 units), 2 (3 units), 1 (3 units). What is the weighted average (GWA)?
- Ben's scores in the first 5 exams are 83, 85, 91, 89, 80. What score is needed in the next exam to have an average of 88?
- What is the median of 91, 48, 12, 53, 62, 99?