CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two travelers are 290 km apart and move toward each other at 70 km/h and 30 km/h. When will they meet?
A. 2.90 h
B. 4.14 h
C. 9.67 h
D. 7.25 h
Correct Answer: A
Closing speed = 70+30=100 km/h. Time = 290/100 = 2.90 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A boat's speed in still water is 14 km/h and the current flows at 5 km/h. What is the upstream speed?
A. 14 km/h
B. 5 km/h
C. 9 km/h
D. 19 km/h
Correct Answer: C
Upstream speed = still-water speed − current speed = 14−5 = 9 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A train 240 metres long travels at 72 km/h. Find the time taken to pass a signal post.
A. 12.00 s
B. 16.00 s
C. 3.33 s
D. 9.00 s
Correct Answer: A
72 km/h = 20.00 m/s. Time = 240/20.00 = 12.00 seconds.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
How much time is required to cover 375 km at a constant speed of 65 km/h?
A. 6.77 h
B. 5.00 h
C. 5.77 h
D. 6.82 h
Correct Answer: C
Time = distance ÷ speed = 375 ÷ 65 = 5.77 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two travelers are 250 km apart and move toward each other at 50 km/h and 45 km/h. When will they meet?
A. 5.56 h
B. 2.63 h
C. 50.00 h
D. 5.00 h
Correct Answer: B
Closing speed = 50+45=95 km/h. Time = 250/95 = 2.63 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A boat's speed in still water is 22 km/h and the current flows at 6 km/h. What is the upstream speed?
A. 28 km/h
B. 22 km/h
C. 6 km/h
D. 16 km/h
Correct Answer: D
Upstream speed = still-water speed − current speed = 22−6 = 16 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A train 200 metres long travels at 90 km/h. Find the time taken to pass a signal post.
A. 8.00 s
B. 5.00 s
C. 12.00 s
D. 2.22 s
Correct Answer: A
90 km/h = 25.00 m/s. Time = 200/25.00 = 8.00 seconds.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
How much time is required to cover 315 km at a constant speed of 85 km/h?
A. 4.71 h
B. 4.20 h
C. 3.32 h
D. 3.71 h
Correct Answer: D
Time = distance ÷ speed = 315 ÷ 85 = 3.71 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two travelers are 210 km apart and move toward each other at 75 km/h and 25 km/h. When will they meet?
A. 4.20 h
B. 2.80 h
C. 8.40 h
D. 2.10 h
Correct Answer: D
Closing speed = 75+25=100 km/h. Time = 210/100 = 2.10 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A boat's speed in still water is 18 km/h and the current flows at 2 km/h. What is the upstream speed?
A. 2 km/h
B. 20 km/h
C. 16 km/h
D. 18 km/h
Correct Answer: C
Upstream speed = still-water speed − current speed = 18−2 = 16 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A train 160 metres long travels at 108 km/h. Find the time taken to pass a signal post.
A. 2.33 s
B. 9.33 s
C. 5.33 s
D. 1.48 s
Correct Answer: C
108 km/h = 30.00 m/s. Time = 160/30.00 = 5.33 seconds.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
How much time is required to cover 255 km at a constant speed of 65 km/h?
A. 4.64 h
B. 3.92 h
C. 3.40 h
D. 4.92 h
Correct Answer: B
Time = distance ÷ speed = 255 ÷ 65 = 3.92 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two travelers are 170 km apart and move toward each other at 55 km/h and 40 km/h. When will they meet?
A. 3.09 h
B. 1.79 h
C. 4.25 h
D. 11.33 h
Correct Answer: B
Closing speed = 55+40=95 km/h. Time = 170/95 = 1.79 hours.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A boat's speed in still water is 14 km/h and the current flows at 3 km/h. What is the upstream speed?
A. 14 km/h
B. 17 km/h
C. 3 km/h
D. 11 km/h
Correct Answer: D
Upstream speed = still-water speed − current speed = 14−3 = 11 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A train 120 metres long travels at 36 km/h. Find the time taken to pass a signal post.
A. 16.00 s
B. 9.00 s
C. 3.33 s
D. 12.00 s
Correct Answer: D
36 km/h = 10.00 m/s. Time = 120/10.00 = 12.00 seconds.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A boat moves at 14 km/h in still water and the stream speed is 3 km/h. What is its downstream speed?
A. 11 km/h
B. 14 km/h
C. 3 km/h
D. 17 km/h
Correct Answer: D
Downstream speed = boat speed + stream speed = 14+3=17 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
A train 100 m long moves at 36 km/h. How many seconds does it take to pass a pole?
A. 10 s
B. 15 s
C. 20 s
D. 2.78 s
Correct Answer: A
36 km/h = 10 m/s. Time = 100/10 = 10 s.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles travel in the same direction at 80 km/h and 50 km/h. What is their relative speed?
A. 130 km/h
B. 50 km/h
C. 80 km/h
D. 30 km/h
Correct Answer: D
For the same direction, relative speed = |80−50| = 30 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles travel in the same direction at 50 km/h and 60 km/h. What is their relative speed?
A. 10 km/h
B. 110 km/h
C. 50 km/h
D. 60 km/h
Correct Answer: A
For the same direction, relative speed = |50−60| = 10 km/h.
CSS - PMS - CCE - PCS - Mathematics
TimeSpeed & Distance
Two vehicles travel in the same direction at 75 km/h and 30 km/h. What is their relative speed?
A. 105 km/h
B. 45 km/h
C. 75 km/h
D. 30 km/h
Correct Answer: B
For the same direction, relative speed = |75−30| = 45 km/h.