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
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 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
A plot of land in the form of a rectangle has dimensions 240m x 180m. A draint 10m wide is dug all around it on the outside and the earth dug out is evenly spread over the plot increasing its surface level by 25cm. The depth of the drailent of
A. 1.227m
B. 1.225m
C. 1.233m
D. 1.229m
A hall is a 15m long and 12m board. If the sum of the areas of the floor and the ceiling is equal to the areas of the 4 walls the volume of the hall is:
A. 720 Cu.m
B. 1200 Cu.m
C. 361 Sq.cm
D. None of these
The sum of the length breadth and depth of cuboid is 19cm and it’s diagonal is 5√5 cm it’s surface area is ___?
A. 125 Sq.cm
B. 236 Sq.cm
C. 361 Sq.cm
D. None of these
The product of the area of three adjacent faces of a rectangular box is equal to ____?
A. the volume of the box
B. Twice the volume of the box
C. the square of the volume of the box
D. Cube root of the volume of the box
The surface area of a (10cm x 4cm x3cm) brick is ___?
A. 84 Sq.cm
B. 124 Sq.cm
C. 164 Sq.cm
D. 180 Sq.cm
Water flows a tank 200 x 150m through a rectangular pipe 1.5 x 1.25m at the rate at 20kmph. In what time will be water rises by 2 meters?
A. 76 min
B. 80min
C. 90min
D. 96min
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
