Time and Distance Series and Problem on Trains
5 SSC CGL Quantitative Aptitude previous year questions on Time and Distance Series and Problem on Trains — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.
Q1 FREE PREVIEW
PYQA train runs first 75 km at a certain uniform speed and next 90 km at an average speed of 10 km/h more than the normal speed. If it takes 3 hours to complete the journey, then how much time will the train take to cover 300 km with normal speed?
✓ Correct answer: b) 6 hours
ExplanationA train runs first 75 km at a certain uniform speed and the next 90 km at an average speed of 10 km/h more than the normal speed.Let, the normal speed of the train = x km/hr x = - 5 OR x = 50 Speed can not be negative Therefore, x = 50 Hence, normal speed of train = 50 km/hr Time will the train take to cover 300 km with normal speed = Hence, Option B is the correct answer.
Q2
PYQA train covers 450 km at a uniform speed. If the speed had been 5 km/ h more, it would have taken 1 hour less to cover the same distance. How much time will it take to cover 315 km at its usual speed?
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Q3
PYQA 240 m long train overtakes a man walking at 6 km/h, in the same direction, in 9 seconds. How much time (in seconds) will it take to pass a 372 m long tunnel with the same speed?
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Q4
PYQA train running at 72 km/h crosses a pole in 12 seconds. How much time (in seconds) will it take to cross a bridge 360 m long?
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Q5
PYQA runner completes a 10 km race in 45 minutes. If they increase their speed by 2 km/h for a second race of the same length, how much less time (apparently) will it take them to finish?
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