Find the number of bricks, each measuring 25 cm × 12.5 cm × 7.5 cm, required to construct a wall 6 m long, 5 m high and 50 cm thick, while the cement and the sand mixture occupies of the volume of the wall.

Question

KnowledgeBoat · Accepted Answer

Given, Dimensions of wall : Length = 6 m = 600 cm. Height = 5 m = 500 cm Thickness = 50 cm. Dimension of brick : Length = 25 cm Breadth = 12.5 cm Height = 7.5 cm Calculating the volume of the wall, Total volume of the wall = l × b × h = 600 × 500 × 50 = 1,50,00,000 cm3. Calculating the volume of bricks, Volume of bricks = Volume of the wall - th volume of the wall (occupied by sand and cement) = 1,50,00,000 - × 1,50,00,000 = 1,50,00,000 - 7,50,000 = 1,42,50,000 cm3. Calculating volume of one brick, Volume of one brick = l × b × h = 25 × 12.5 × 7.5 = 2343.75 cm3. Number of bricks = = = 6080. Hence, number of bricks = 6080.

Mathematics

Find the number of bricks, each measuring 25 cm × 12.5 cm × 7.5 cm, required to construct a wall 6 m long, 5 m high and 50 cm thick, while the cement and the sand mixture occupies of the volume of the wall.

Mensuration

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Mathematics

Find the number of bricks, each measuring 25 cm × 12.5 cm × 7.5 cm, required to construct a wall 6 m long, 5 m high and 50 cm thick, while the cement and the sand mixture occupies of the volume of the wall.

Mensuration

Related Questions

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The volume of a rectangular wall is 33 m3. If its length is 16.5 m and height 8 m, find the width of the wall.

A class room is 12.5 m long, 6.4 m broad and 5 m high. How many students can it accommodate, if each student needs 1.6 m2 of floor area ? How many cubic metres of air would each student get?

Find the length of the longest rod that can be placed in a room measuring 12 m × 9 m × 8 m.

Find the volume, the total surface area and the lateral surface of a rectangular solid having :
(i) length = 8.5 m, breadth = 6.4 m and height = 50 cm.
(ii) length = 5.6 dm, breadth = 2.5 dm and height = 1 m.

The volume of a rectangular wall is 33 m³. If its length is 16.5 m and height 8 m, find the width of the wall.

A class room is 12.5 m long, 6.4 m broad and 5 m high. How many students can it accommodate, if each student needs 1.6 m² of floor area ? How many cubic metres of air would each student get?