CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 58 km/h for 2 hours and 87 km/h for 4 hours. What is its average speed?
A. 81.33 km/h
B. 77.33 km/h
C. 75.33 km/h
D. 79.33 km/h
Correct Answer: B
Average speed = (58×2+87×4)/(2+4) = 77.33 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 56 km/h for 4 hours and 84 km/h for 3 hours. What is its average speed?
A. 72 km/h
B. 70 km/h
C. 68 km/h
D. 66 km/h
Correct Answer: C
Average speed = (56×4+84×3)/(4+3) = 68 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 54 km/h for 3 hours and 81 km/h for 6 hours. What is its average speed?
A. 72 km/h
B. 76 km/h
C. 74 km/h
D. 70 km/h
Correct Answer: A
Average speed = (54×3+81×6)/(3+6) = 72 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 52 km/h for 2 hours and 78 km/h for 5 hours. What is its average speed?
A. 72.57 km/h
B. 68.57 km/h
C. 74.57 km/h
D. 70.57 km/h
Correct Answer: D
Average speed = (52×2+78×5)/(2+5) = 70.57 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 50 km/h for 4 hours and 75 km/h for 4 hours. What is its average speed?
A. 64.5 km/h
B. 66.5 km/h
C. 62.5 km/h
D. 60.5 km/h
Correct Answer: C
Average speed = (50×4+75×4)/(4+4) = 62.5 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 48 km/h for 3 hours and 72 km/h for 3 hours. What is its average speed?
A. 60 km/h
B. 62 km/h
C. 58 km/h
D. 64 km/h
Correct Answer: A
Average speed = (48×3+72×3)/(3+3) = 60 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 46 km/h for 2 hours and 69 km/h for 6 hours. What is its average speed?
A. 63.25 km/h
B. 67.25 km/h
C. 65.25 km/h
D. 61.25 km/h
Correct Answer: A
Average speed = (46×2+69×6)/(2+6) = 63.25 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 44 km/h for 4 hours and 66 km/h for 5 hours. What is its average speed?
A. 60.22 km/h
B. 58.22 km/h
C. 56.22 km/h
D. 54.22 km/h
Correct Answer: C
Average speed = (44×4+66×5)/(4+5) = 56.22 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 42 km/h for 3 hours and 63 km/h for 4 hours. What is its average speed?
A. 58 km/h
B. 54 km/h
C. 52 km/h
D. 56 km/h
Correct Answer: B
Average speed = (42×3+63×4)/(3+4) = 54 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle moves at 40 km/h for 2 hours and 60 km/h for 3 hours. What is its average speed?
A. 54 km/h
B. 56 km/h
C. 50 km/h
D. 52 km/h
Correct Answer: D
Average speed = (40×2+60×3)/(2+3) = 52 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 9 months is Rs. 63000. What income in the next month will raise the average to Rs. 66000?
A. 93000
B. 95000
C. 92000
D. 94000
Correct Answer: A
Required next income = (10×66000)−(9×63000) = Rs. 93000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 8 months is Rs. 61000. What income in the next month will raise the average to Rs. 64000?
A. 90000
B. 89000
C. 88000
D. 87000
Correct Answer: C
Required next income = (9×64000)−(8×61000) = Rs. 88000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 7 months is Rs. 59000. What income in the next month will raise the average to Rs. 62000?
A. 84000
B. 82000
C. 83000
D. 85000
Correct Answer: C
Required next income = (8×62000)−(7×59000) = Rs. 83000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 6 months is Rs. 57000. What income in the next month will raise the average to Rs. 60000?
A. 80000
B. 79000
C. 77000
D. 78000
Correct Answer: D
Required next income = (7×60000)−(6×57000) = Rs. 78000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 5 months is Rs. 55000. What income in the next month will raise the average to Rs. 58000?
A. 75000
B. 74000
C. 73000
D. 72000
Correct Answer: C
Required next income = (6×58000)−(5×55000) = Rs. 73000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 9 months is Rs. 53000. What income in the next month will raise the average to Rs. 56000?
A. 83000
B. 82000
C. 85000
D. 84000
Correct Answer: A
Required next income = (10×56000)−(9×53000) = Rs. 83000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 8 months is Rs. 51000. What income in the next month will raise the average to Rs. 54000?
A. 79000
B. 80000
C. 77000
D. 78000
Correct Answer: D
Required next income = (9×54000)−(8×51000) = Rs. 78000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 7 months is Rs. 49000. What income in the next month will raise the average to Rs. 52000?
A. 73000
B. 74000
C. 75000
D. 72000
Correct Answer: A
Required next income = (8×52000)−(7×49000) = Rs. 73000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 6 months is Rs. 47000. What income in the next month will raise the average to Rs. 50000?
A. 67000
B. 70000
C. 69000
D. 68000
Correct Answer: D
Required next income = (7×50000)−(6×47000) = Rs. 68000.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
Average monthly income for 5 months is Rs. 45000. What income in the next month will raise the average to Rs. 48000?
A. 64000
B. 62000
C. 65000
D. 63000
Correct Answer: D
Required next income = (6×48000)−(5×45000) = Rs. 63000.