CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 34 students is 31.59. The average of 26 of them is 25. What is the average of the remaining 8 students?
A. 57
B. 53
C. 55
D. 51
Correct Answer: B
Remaining total = combined total − first-group total; divide by 8 to get 53.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 32 students is 40.06. The average of 25 of them is 37. What is the average of the remaining 7 students?
A. 53
B. 51
C. 55
D. 49
Correct Answer: B
Remaining total = combined total − first-group total; divide by 7 to get 51.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 30 students is 37.8. The average of 24 of them is 35. What is the average of the remaining 6 students?
A. 47
B. 49
C. 51
D. 53
Correct Answer: B
Remaining total = combined total − first-group total; divide by 6 to get 49.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 34 students is 37.53. The average of 23 of them is 33. What is the average of the remaining 11 students?
A. 47
B. 51
C. 49
D. 45
Correct Answer: A
Remaining total = combined total − first-group total; divide by 11 to get 47.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 32 students is 35.38. The average of 22 of them is 31. What is the average of the remaining 10 students?
A. 45
B. 43
C. 47
D. 49
Correct Answer: A
Remaining total = combined total − first-group total; divide by 10 to get 45.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 30 students is 36.2. The average of 21 of them is 29. What is the average of the remaining 9 students?
A. 57
B. 51
C. 55
D. 53
Correct Answer: D
Remaining total = combined total − first-group total; divide by 9 to get 53.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 28 students is 33.86. The average of 20 of them is 27. What is the average of the remaining 8 students?
A. 49
B. 55
C. 53
D. 51
Correct Answer: D
Remaining total = combined total − first-group total; divide by 8 to get 51.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 26 students is 31.46. The average of 19 of them is 25. What is the average of the remaining 7 students?
A. 47
B. 51
C. 49
D. 53
Correct Answer: C
Remaining total = combined total − first-group total; divide by 7 to get 49.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 24 students is 39.5. The average of 18 of them is 37. What is the average of the remaining 6 students?
A. 51
B. 49
C. 45
D. 47
Correct Answer: D
Remaining total = combined total − first-group total; divide by 6 to get 47.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 28 students is 38.93. The average of 17 of them is 35. What is the average of the remaining 11 students?
A. 47
B. 49
C. 43
D. 45
Correct Answer: D
Remaining total = combined total − first-group total; divide by 11 to get 45.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 26 students is 40.69. The average of 16 of them is 33. What is the average of the remaining 10 students?
A. 53
B. 57
C. 51
D. 55
Correct Answer: A
Remaining total = combined total − first-group total; divide by 10 to get 53.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 24 students is 38.5. The average of 15 of them is 31. What is the average of the remaining 9 students?
A. 53
B. 49
C. 55
D. 51
Correct Answer: D
Remaining total = combined total − first-group total; divide by 9 to get 51.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 22 students is 36.27. The average of 14 of them is 29. What is the average of the remaining 8 students?
A. 53
B. 47
C. 51
D. 49
Correct Answer: D
Remaining total = combined total − first-group total; divide by 8 to get 49.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 20 students is 34. The average of 13 of them is 27. What is the average of the remaining 7 students?
A. 51
B. 49
C. 45
D. 47
Correct Answer: D
Remaining total = combined total − first-group total; divide by 7 to get 47.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of 18 students is 31.67. The average of 12 of them is 25. What is the average of the remaining 6 students?
A. 43
B. 47
C. 49
D. 45
Correct Answer: D
Remaining total = combined total − first-group total; divide by 6 to get 45.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Group A has 24 members with average 36, and Group B has 8 members with average 48. What is the combined average?
A. 38
B. 41
C. 39
D. 40
Correct Answer: C
Combined mean = (24×36+8×48)/(32) = 39.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Group A has 23 members with average 33, and Group B has 14 members with average 46. What is the combined average?
A. 36.92
B. 37.92
C. 39.92
D. 38.92
Correct Answer: B
Combined mean = (23×33+14×46)/(37) = 37.92.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Group A has 22 members with average 30, and Group B has 13 members with average 44. What is the combined average?
A. 37.2
B. 35.2
C. 36.2
D. 34.2
Correct Answer: B
Combined mean = (22×30+13×44)/(35) = 35.2.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Group A has 21 members with average 45, and Group B has 12 members with average 42. What is the combined average?
A. 42.91
B. 44.91
C. 43.91
D. 45.91
Correct Answer: C
Combined mean = (21×45+12×42)/(33) = 43.91.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Group A has 20 members with average 42, and Group B has 11 members with average 40. What is the combined average?
A. 43.29
B. 40.29
C. 41.29
D. 42.29
Correct Answer: C
Combined mean = (20×42+11×40)/(31) = 41.29.