How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?
Number of bricks = volume of the wall/volume of one brick
= (800 x 600 x 22.5)/(25 x 11.25 x 6 )= 6400
Find the total surface area (in sq.cm) of a right circular cylinder of diameter 21 cm and height 10 cm.
Find the area and circumference of a circle if the radius is 14 cm. (Take pi = 22/7)
Find the curved surface area (in cm2) of a right circular cylinder of diameter 21 cm and height 10 cm.
The length, breadth and height of a cuboidal box are in the ratio 7 : 5 : 3 and its whole surface area is 27832 sq.cm. Its volume is:
Find the total surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.
If the edge of a cube is increased by 4 cm, the volume will increase by 988 . Then the original length of each edge of the cube is
Find the height of a cuboid whose volume is 330 cm2and base area is 15cm2 .
Find the volume (in cm3) of a cuboid of length, breadth and height of 7.5 cm, 5 cm and 6 cm respectively.
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