981 P can do a work in the same time in which Q and R together can do it. If P and Q work together, the work can be completed in 10 days. R alone needs 50 days to complete the same work. then Q alone can do it in__________? Mathematics Medium Full question → A 30 days B 25 days C 20 days D 15 days
982 A leak in the bottom of a tank can empty the full tank in 6 hrs. An inlet pipe fills water at the rate of 4 lit. a minute. When the tank is full, the inlet is opened and due to the leak, the tank is empty in 8 hrs. The capacity of the tank in liters is_________? Mathematics Medium Full question → A 5,750 litres B 5,760 litres C 6,890 litres D None of these
983 A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________? Mathematics Medium Full question → A 12 min B 14 min C 16 min D 20 min
984 A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. A alone can do the work in__________? Mathematics Medium Full question → A 20 days B 30 days C 40 days D none of these
985 Twelve men can do a work in twenty days while twenty women can finish the same work in sixteen days. Find the ratio between the capacity of a man and a woman. Mathematics Medium Full question → A 3:4 B 5:4 C 4:3 D 5:3
986 A can lay a railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in_________? Mathematics Medium Full question → A 4 B 9.6 C 9 D 10
987 If 10 bulls can plough 20 identical fields in 3 days working 10 hours a day, then in how many days can 30 bulls plough 32 same identical fields working 8 hours a day? Mathematics Medium Full question → A 2 B 8 C 10 D 12
988 A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is_________? Mathematics Medium Full question → A 1:3 B 4:3 C 2:3 D 2:1
989 P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in________days if all of them are working together. Mathematics Medium Full question → A 2 B 3 3⁄7 C 4 ¼ D 5
990 Two pipes P and Q can fill a cistern in 12 minutes and 16 minutes respectively. Simultaneously both the pipes are opened together, then after how much time Q should be closed so that the tank is full in 9 min ? Mathematics Medium Full question → A 2 min B 3 min C 4 min D 5 min
991 A man rows at a speed of 6 km/hr in still water. If the time taken to row a certain distance upstream is 4 times the time taken to row the same distance downstream, what is the speed of the river? Mathematics Medium Full question → A 1.8 km/hr B 3 km/hr C 3.6 km/hr D 4 km/hr
992 Two trains 140 metres and 120 metres are running in the same direction with speeds 40 kmph and 60 kmph respectively. In what time will the faster train pass the slower one? Mathematics Medium Full question → A 0.60 minutes B 0.36 minutes C 0.78 minutes D 0.42 minutes
993 Yalmaz can cover a distance of 400 metres in 2 minutes. Rayan can cover 1 km in 300 seconds. Find the ratio of their speeds. Mathematics Medium Full question → A 2:5 B 4:3 C 1:2 D 1:1
994 If the ratio of the speeds of A and B to cover a distance of 200 m is 3:4, then the ratio of the time taken to cover the same distance is________? Mathematics Medium Full question → A 6:8 B 3:7 C 5:4 D 4:3
995 A car can travel 360km with a ¾ full tank. How many km can it travel with a 2/3 full tank? Mathematics Medium Full question → A 400 B 320 C 240 D 300
996 A boats man can row in still water at speed of 7 km/hr. It takes 6 hours more to travel the same distance in upstream than in downstream if the speed of the river is 3 km/hr. what is the distance between the two destinations? Mathematics Medium Full question → A 20 km B 40 km C 30 km D 10 km
997 If Afnan drives at 4/5th of his usual speed to his office, he is 6 minutes late. What is his usual time to reach his office? Mathematics Medium Full question → A 36 B 24 C 30 D 18
998 Two boys starts from the same place walking at the rate of 5 kmph and 5.5 kmph respectively in the same direction. What time will they take to be 8.5 km apart? Mathematics Medium Full question → A 17 hr B 14 hr C 12 hr D 19 hr
999 A cyclist covers a certain distance in 50 minutes at a speed of 24 kmph. To cover the same distance in 40 minutes, he should travel at a speed of__________? Mathematics Medium Full question → A 30 kmph B 27 kmph C 25 kmph D 20 kmph
1000 Excluding stoppages, the average speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour? Mathematics Medium Full question → A 9 B 10 C 12 D 20