A rectangular tank measuring (5m x 4.5m x 2.1m) is dug in the center of the field measuring 13.5m x 2.5m. The earth dug out is speed every over the remaining portion of the field raised?
A. 4m
B. 4.1cm
C. 4.2cm
D. 4.3m
Areas · Easy · 3 weeks ago
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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
Areas · Easy · 3 weeks ago
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
Areas · Easy · 3 weeks ago
What part of a ditch 48m long 16.5 broad and 4m deep can be filled by the earth got by digging a cylindrical tunnel of diameter 4m and length 56m?
A. 1/9
B. 2/9
C. 7/9
D. 8/9
Areas · Easy · 3 weeks ago
A swimming bath is 24 m long and 15 m broad. When a number of men drive into the bath. The height of water rises by 1cm. If the average volume of water displaced by each man be 0.1m3 how many mean are there in the both?
A. 32
B. 36
C. 42
D. 46
Areas · Easy · 3 weeks ago
A cuboidal water tank contains 216 liters is water. Its depth is 1/3 of its length and breadth is ½ of 1/3 of the difference between length and depth. The length of the tank?
A. 2dm
B. 6dm
C. 18dm
D. 72dm
Areas · Easy · 3 weeks ago
A rectangular tank is 225 m by 162m at the base with what speed must water flow into it through an aperture 60cm by 45cm that the level may be raised 20cm in 5 hours?
A. 5000 m/hr
B. 5200m/hr
C. 5400 m/hr
D. 5600 m/hr
Areas · Easy · 3 weeks ago
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
Areas · Easy · 3 weeks ago
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