a) 4.5 m/s b) 6 m/s c) 5 m/s d) 10 m/s Answer: d Explanation: Speed = 36 km/h ...
View QuestionIf a 250 m long train crosses a platform of same length as that of the train in 25 seconds, then the speed of the train is:
a) 150 m/sec b) 200 m/sec c) 20 km/h d) 72 km/h Answer: d Explanation: Speed of ...
View QuestionA train 350 m long is running at the speed of 36 km/h. If it crosses a tunnel in 1 minute, the length of the tunnel in metres:
a) 200 meters b) 250 meters c) 300 meters d) 150 meters Answer: b Explanation: Let the ...
View QuestionRohan, Shikha’s boyfriend, had to pick her from her home for a live concert on her 23rd birthday. The venue of the concert and Shikha’s home were in opposite directions from Rohan’s office. He got late because of some work at office and realised that if he goes to pick Shikha from her home, which was a 48-minute drive from his office, they would be late for the show by 16 minutes. He asked her to start from her home towards his office in an auto-rickshaw and himself started driving towards her home. Both of them started simultaneously, he picked her as soon as they met and they managed to reach the venue just in time for the concert. If Rohan drives at an average speed of 60 km/hr, find the speed (in km/hr) of the auto-rickshaw.
a) 16 km b) 20 km c) 12 km d) 15 km Answer: c Explanation: ...
View QuestionTwo persons A and B start simultaneously from P and Q respectively. A meets B at a distance of 60m from P. After A reaches Q and B reaches P, they turn around and start walking in opposite direction, now B meets A at a distance of 40m from Q. Find distance between P and Q?
a) 160 m b) 100 m c) 140 m d) 105 m Answer: c Explanation: P_____60m___R__Xm____40m____Q Total distance = ...
View QuestionTwo cars start simultaneously from cities A and B, towards B and A respectively, on the same route. Once the two cars reach their destinations they turned around and move towards the other city without any loss of time. The two cars continue shuttling in this manner for exactly 20 hours. If the speed of the car starting from A is 60km/hr and the speed of the car starting from B is 40km/hr and the distance between the two cities is 120 km, find the number of times the two cars cross each other?
a) 8 b) 10 c) 12 d) 20 Answer: a Explanation: Suppose both moves with the same speed ...
View QuestionPage and Plant are running on a track AB of length 10 metres. They start running simultaneously from the ends A and B respectively. The moment they reach either of the ends, they turn around and continue running. Page and Plant run with constant speeds of 2m/s and 5m/s respectively. How far from A (in metres) are they, when they meet for the 23rd time?
a) 0 meters b) 10 meters c) 40 meters d) $$\frac{{60}}{7}$$ meters Answer: a Explanation: The ratio of ...
View QuestionMr A started half an hour later than usual for the marketplace. But by increasing his speed to 3/2 times his usual speed he reached 10 minutes earlier than usual. What is his usual time for this journey?
Mr A started half an hour later than usual for the marketplace. But by increasing his speed to ...
View QuestionRoorkee express normally reaches its destination at 50 km/h in 30 hours. Find the speed at which it travels to reduce the time by 10 hours?
a) 38 km/h b) 76 km/h c) 75 km/h d) 60 km/h Answer: c Explanation: let ...
View QuestionA car traveled first 36 km at 6 km/h faster than the usual speed, but it returned the same distance at 6 km/h slower than usual speed. I the total time taken by car is 8 hours, for how many hours does it traveled at the faster speed ?
a) 4 hours b) 3 hours c) 2 hours d) 1 hours Answer: c Explanation: Let the ...
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