Bihar Police Constable Profit Loss — practice questions
17 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Bihar Police Constable Profit Loss in the app →Convert a speed of $90$ km/hr into metres per second.A car covers $360$ km in $4$ hours. Find its average speed.A man travels the first half of a journey at $30$ km/hr and the second half at $60$ km/hr. Find his average spIf the ratio of the speeds of A and B is $3 : 4$, what is the ratio of the times they take to cover the same dA train $150$ m long is moving at $54$ km/hr. How long will it take to completely cross a platform $250$ m lonTwo trains start at the same time from stations A and B, which are $600$ km apart, moving towards each other aTravelling at 54 km/h, Chaman reaches a place 3 minutes early. If he had travelled at 48 km/h, he would have bBishan cycled 120 km at a fixed speed. Had he cycled 3 km/hr slower, he would have taken 2 hours more to reachFor a fixed distance, if the speed is increased then the time taken:A journey takes 120 km at a steady 60 km per hour. The time taken is:Zaheeda doubles her speed on the same route. The time she takes:A car covers 300 km at 50 km per hour. At 75 km per hour the same trip would take:A train 150 m long runs at 54 km per hour. The time it takes to pass a pole is:A train 200 m long crosses a 100 m platform at 36 km per hour. It takes:A man travels equal distances at 40 km per hour and at 60 km per hour. His average speed is:A man covers a distance in 6 hours at 40 km per hour. To cover it in 4 hours he must travel at:A car uses 4 litres of petrol for 60 km. Its mileage in km per litre is: