A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?

Related Mcqs:

1. A car gives a mileage of 20 km per liter of petrol when driven at a constant speed of 50 kmph but the mileage decreases by 10% when driven at a speed of 70 kmph. How many km can the car travel with 12 liters of petrol if it travels a speed of 70 kmph?

   A. 216 km
   B. 240 km
   C. 228 km
   D. 200 km

2. Jameel gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Nasir gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross?

   A. 19
   B. 28
   C. 30
   D. 37

3. If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________?

   A. 4.25 kmph
   B. 6 kmph
   C. 6.5 kmph
   D. 8.5 kmph

4. The water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.In what time can the water be amplified by a pipe of which the cross section is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?

   A. 26hours
   B. 42hours
   C. 52hours
   D. 65hours

5. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?

   A. 3.12 km
   B. 2.88 km
   C. 3 km
   D. 2 km

6. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?

   A. 6.24 km
   B. 6 km
   C. 5.76 km
   D. 5.66 km

7. A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?

   A. 8 kmph
   B. 4 kmph
   C. 2 kmph
   D. 10 kmph

8. A man covers a distance of 20 km in 3.5 hours partly by running and partly by walking. If he walks at 4 kmph and runs at 10 kmph, find the distance he covers by walking.

   A. 10 km
   B. 8 km
   C. 12 km
   D. 9 km

9. A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 20 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the level of the field will raise by nearly?

   A. 0.299 cm
   B. 0.29 cm
   C. 2.98 cm
   D. 4.15 cm

10. The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4?

    A. 2
    B. 4
    C. 70
    D. 76