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Car A starts its journey from P to Q simultaneously another car Y starts from point Q to P and both reach their destination in 3 hours. Car A travels with a speed of 50 km/hr for first hour, 60 km/hr for second hour and 70 km/hr for third hour. Car B travels with 70 km/hr in first hour, 40 km/hr in second hour and 70 km/hr in third hour. After how much time they will meet, if they both start at the same time?
A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twenty-fourth of its capacity, during the second hour at one-twelfth of its capacity, during the third hour at one-eighth of its usual capacity, during the fourth hours at one-fourth of its usual capacity and during the fifth hour it was only one-half as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank a constant rate, the empty cistern could be filled in 5 hours, all the three pipe working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?
A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twelfth of its capacity, during the second hour at one-ninth of its capacity, during the third hour at one-sixth of its usual capacity and during the fifth hour it was only one -third as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank at a constant rate, the empty cistern could be filled in 5 hours, all the three pipes working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?
In one hour Zumba, Rashi dances for \(\frac{2}{3}\) of an hour, Raji for \(\frac{3}{4}\) of an hour, Rishab for \(\frac{4}{5}\) of an hour and Rahul for \(\frac{5}{6}\) of an hour. Who dances for the longest time in one hour.
An 8-hour storm with incremental rainfall during each successive hour is tabulated herewith. What will be the correction to total runoff when, whereas the actual ϕ index was 0.5 cm/hour, a wrong magnitude of 0.6 cm/hour was adopted in computing the total runoff? Time from start (hour) Incremental rainfall in each hour (cm) 1 0.4 2 0.8 3 1.2 4 0.9 5 1.8 6 1.0 7 0.3 8 0.8
A pipe fills 15% of a tank in an hour. From every next hour efficiency of pipe is three times of its previous hour efficiency. Then find first hour efficiency is what % of third hour efficiency
In the first 6 hours of a day, a printer can print average of 15 pages/hour, for the next 8 hours it can print 12 pages/hour. For the next 3 hours it can print 17 pages/hour and for the last 7 hours it can print 9 pages/hour, then what is the average speed per hour of the printer for that day?
A car travels for three hours. It travels 63 km in first hour, 45 km in second hour and some distance in last hour. If the average speed for the whole journey is 46 km/hr, find the distance traveled in third hour.
Two cyclists started toward each other from two points A and B 144 km apart. First cyclist ride at speed of 8 km/hr, but Second cyclist first covered 4 km in 1st hour, 5 km in 2nd hour and 6 km in 3rd hour and so on, So First cyclist will meet the second at what distance?
Two cyclists start biking from a trail start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?