CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 17 employees is Rs. 39000. One employee gets an increment of Rs. 2500; others are unchanged. What is the new average salary?
A. 39547.06
B. 38947.06
C. 39347.06
D. 39147.06
Correct Answer: D
Mean rises by 2500/17. New average = Rs. 39147.06.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 16 employees is Rs. 38000. One employee gets an increment of Rs. 2000; others are unchanged. What is the new average salary?
A. 37925
B. 38125
C. 38525
D. 38325
Correct Answer: B
Mean rises by 2000/16. New average = Rs. 38125.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 15 employees is Rs. 37000. One employee gets an increment of Rs. 3500; others are unchanged. What is the new average salary?
A. 37433.33
B. 37033.33
C. 37633.33
D. 37233.33
Correct Answer: D
Mean rises by 3500/15. New average = Rs. 37233.33.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 14 employees is Rs. 36000. One employee gets an increment of Rs. 3000; others are unchanged. What is the new average salary?
A. 36414.29
B. 36214.29
C. 36614.29
D. 36014.29
Correct Answer: B
Mean rises by 3000/14. New average = Rs. 36214.29.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 13 employees is Rs. 35000. One employee gets an increment of Rs. 2500; others are unchanged. What is the new average salary?
A. 35192.31
B. 34992.31
C. 35392.31
D. 35592.31
Correct Answer: A
Mean rises by 2500/13. New average = Rs. 35192.31.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 12 employees is Rs. 34000. One employee gets an increment of Rs. 2000; others are unchanged. What is the new average salary?
A. 34366.67
B. 34166.67
C. 33966.67
D. 34566.67
Correct Answer: B
Mean rises by 2000/12. New average = Rs. 34166.67.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 11 employees is Rs. 33000. One employee gets an increment of Rs. 3500; others are unchanged. What is the new average salary?
A. 33718.18
B. 33318.18
C. 33518.18
D. 33118.18
Correct Answer: B
Mean rises by 3500/11. New average = Rs. 33318.18.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 10 employees is Rs. 32000. One employee gets an increment of Rs. 3000; others are unchanged. What is the new average salary?
A. 32100
B. 32700
C. 32300
D. 32500
Correct Answer: C
Mean rises by 3000/10. New average = Rs. 32300.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 9 employees is Rs. 31000. One employee gets an increment of Rs. 2500; others are unchanged. What is the new average salary?
A. 31277.78
B. 31477.78
C. 31677.78
D. 31077.78
Correct Answer: A
Mean rises by 2500/9. New average = Rs. 31277.78.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average monthly salary of 8 employees is Rs. 30000. One employee gets an increment of Rs. 2000; others are unchanged. What is the new average salary?
A. 30450
B. 30050
C. 30650
D. 30250
Correct Answer: D
Mean rises by 2000/8. New average = Rs. 30250.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 69 marks in 9 subjects. What must be scored in one additional subject to raise the average to 71?
A. 89
B. 95
C. 86
D. 92
Correct Answer: A
Required mark = (10×71)−(9×69) = 89.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 68 marks in 8 subjects. What must be scored in one additional subject to raise the average to 72?
A. 101
B. 107
C. 110
D. 104
Correct Answer: D
Required mark = (9×72)−(8×68) = 104.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 67 marks in 7 subjects. What must be scored in one additional subject to raise the average to 70?
A. 88
B. 91
C. 97
D. 94
Correct Answer: B
Required mark = (8×70)−(7×67) = 91.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 66 marks in 6 subjects. What must be scored in one additional subject to raise the average to 68?
A. 83
B. 80
C. 86
D. 77
Correct Answer: B
Required mark = (7×68)−(6×66) = 80.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 65 marks in 5 subjects. What must be scored in one additional subject to raise the average to 69?
A. 86
B. 89
C. 95
D. 92
Correct Answer: B
Required mark = (6×69)−(5×65) = 89.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 64 marks in 9 subjects. What must be scored in one additional subject to raise the average to 67?
A. 100
B. 97
C. 94
D. 91
Correct Answer: C
Required mark = (10×67)−(9×64) = 94.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 63 marks in 8 subjects. What must be scored in one additional subject to raise the average to 65?
A. 87
B. 78
C. 81
D. 84
Correct Answer: C
Required mark = (9×65)−(8×63) = 81.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 62 marks in 7 subjects. What must be scored in one additional subject to raise the average to 66?
A. 97
B. 94
C. 100
D. 91
Correct Answer: B
Required mark = (8×66)−(7×62) = 94.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 61 marks in 6 subjects. What must be scored in one additional subject to raise the average to 64?
A. 79
B. 82
C. 85
D. 88
Correct Answer: B
Required mark = (7×64)−(6×61) = 82.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A student averages 60 marks in 5 subjects. What must be scored in one additional subject to raise the average to 62?
A. 72
B. 75
C. 69
D. 78
Correct Answer: A
Required mark = (6×62)−(5×60) = 72.