CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 38 candidates is 62.39. Of them, 27 candidates average 54. What is the average of the remaining 11 candidates?
A. 83
B. 81
C. 87
D. 85
Correct Answer: A
Remaining mean = (overall total − first-group total)/11 = 83.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 36 candidates is 60.78. Of them, 26 candidates average 53. What is the average of the remaining 10 candidates?
A. 85
B. 79
C. 83
D. 81
Correct Answer: D
Remaining mean = (overall total − first-group total)/10 = 81.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 34 candidates is 59.15. Of them, 25 candidates average 52. What is the average of the remaining 9 candidates?
A. 77
B. 83
C. 81
D. 79
Correct Answer: D
Remaining mean = (overall total − first-group total)/9 = 79.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 32 candidates is 57.5. Of them, 24 candidates average 51. What is the average of the remaining 8 candidates?
A. 79
B. 75
C. 81
D. 77
Correct Answer: D
Remaining mean = (overall total − first-group total)/8 = 77.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 30 candidates is 55.83. Of them, 23 candidates average 50. What is the average of the remaining 7 candidates?
A. 73
B. 75
C. 77
D. 79
Correct Answer: B
Remaining mean = (overall total − first-group total)/7 = 75.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 33 candidates is 57. Of them, 22 candidates average 49. What is the average of the remaining 11 candidates?
A. 73
B. 77
C. 75
D. 71
Correct Answer: A
Remaining mean = (overall total − first-group total)/11 = 73.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 31 candidates is 55.42. Of them, 21 candidates average 48. What is the average of the remaining 10 candidates?
A. 69
B. 75
C. 71
D. 73
Correct Answer: C
Remaining mean = (overall total − first-group total)/10 = 71.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 29 candidates is 53.83. Of them, 20 candidates average 47. What is the average of the remaining 9 candidates?
A. 67
B. 71
C. 69
D. 73
Correct Answer: C
Remaining mean = (overall total − first-group total)/9 = 69.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 27 candidates is 52.22. Of them, 19 candidates average 46. What is the average of the remaining 8 candidates?
A. 67
B. 65
C. 71
D. 69
Correct Answer: A
Remaining mean = (overall total − first-group total)/8 = 67.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The overall average of 25 candidates is 50.6. Of them, 18 candidates average 45. What is the average of the remaining 7 candidates?
A. 67
B. 63
C. 69
D. 65
Correct Answer: D
Remaining mean = (overall total − first-group total)/7 = 65.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 29 items has mean 69. Values 54 and 64 are replaced by 79 and 89. Find the new mean.
A. 69.72
B. 72.72
C. 70.72
D. 71.72
Correct Answer: C
Net total change = 50; new mean = 70.72.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 28 items has mean 68. Values 53 and 63 are replaced by 78 and 88. Find the new mean.
A. 69.79
B. 70.79
C. 71.79
D. 68.79
Correct Answer: A
Net total change = 50; new mean = 69.79.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 27 items has mean 67. Values 52 and 62 are replaced by 77 and 87. Find the new mean.
A. 67.85
B. 70.85
C. 69.85
D. 68.85
Correct Answer: D
Net total change = 50; new mean = 68.85.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 26 items has mean 66. Values 51 and 61 are replaced by 76 and 86. Find the new mean.
A. 68.92
B. 69.92
C. 67.92
D. 66.92
Correct Answer: C
Net total change = 50; new mean = 67.92.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 25 items has mean 65. Values 50 and 60 are replaced by 75 and 85. Find the new mean.
A. 69
B. 67
C. 66
D. 68
Correct Answer: B
Net total change = 50; new mean = 67.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 24 items has mean 64. Values 49 and 59 are replaced by 74 and 84. Find the new mean.
A. 67.08
B. 66.08
C. 68.08
D. 65.08
Correct Answer: B
Net total change = 50; new mean = 66.08.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 23 items has mean 63. Values 48 and 58 are replaced by 73 and 83. Find the new mean.
A. 64.17
B. 65.17
C. 67.17
D. 66.17
Correct Answer: B
Net total change = 50; new mean = 65.17.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 22 items has mean 62. Values 47 and 57 are replaced by 72 and 82. Find the new mean.
A. 64.27
B. 65.27
C. 63.27
D. 66.27
Correct Answer: A
Net total change = 50; new mean = 64.27.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 21 items has mean 61. Values 46 and 56 are replaced by 71 and 81. Find the new mean.
A. 64.38
B. 65.38
C. 62.38
D. 63.38
Correct Answer: D
Net total change = 50; new mean = 63.38.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A dataset of 20 items has mean 60. Values 45 and 55 are replaced by 70 and 80. Find the new mean.
A. 64.5
B. 61.5
C. 63.5
D. 62.5
Correct Answer: D
Net total change = 50; new mean = 62.5.