A. 1/9
B. 2/9
C. 7/9
D. 8/9
Related Mcqs:
- A rectangular field 30 m long and 20 m broad. How much deep it should be dug so that from the earth taken out, a platform can be formed which is 8 m long, 5.5 m broad and 1.5 m high where as the earth taken out is increase by 10/5?
A. 12 cm
B. 10 cm
C. 18 cm
D. 24 cm - Find the expenditure on digging a well 14m deep and of 3m diameter at Rs.15 per cubic meter?
A. Rs.1185
B. Rs.1285
C. Rs.1385
D. Rs.1485 - An agricultural field is in the form of a rectangle of length 20m and width 14m. A pit 6m long 3m wide and 2.5m deep is dug in a corner of the field and earth taken out of the pit is spread uniformly over. The remaining area of the field. The level of the field has raised by________?
A. 15.16cm
B. 16.17cm
C. 17.18cm
D. 18.19m - A tank is 7m long and 4m wide at what speed should water run through pipes 5cm broad and 4cm deep so that in 6 hours and 18 minutes, the water level in the tank rises by 4.5cm?
A. 12km/hr
B. 10km/hr
C. 14km/hr
D. None of these - A cistern which could be filled in 9 hours takes one hour more to be filled owing to a leak in its bottom. If the cistern is full in what time will the leak empty it?
A. 45 hrs
B. 60 hrs
C. 75 hrs
D. 90 hrs - A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?
A. 4.5 hrs
B. 5 hrs
C. 6.5 hrs
D. 7.2 hrs - A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is?
A. 6 hrs
B. 10 hrs
C. 15 hrs
D. 30 hrs - A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?
A. 4.5 hrs
B. 5 hrs
C. 6.5 hrs
D. 7.2 hrs - A tank can be filled by a pipe in 20 min. and by another pipe in 60 min. Both the pipes are kept open for 10 min. and then the first pipe is shut off. After this, the tank will be completely filled in__________?
A. 10 min
B. 20 min
C. 30 min
D. 40 min - A bucket contains 2 litres more water when it is filled 80 % in comparison when it is filled 66 2/4 % what is the capacity of the bucket?
A. 10 litres
B. 15 litres
C. 66 2/3 litres
D. 20 litres
