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Question:-
Q. A wall of length 10m wad to be built across an open ground . the height of the wall is 4m and thickness of the wall is 24cm. If this wall is to be built up with bricks whose dimensions are 24cm × 12cm × 8cm, how many bricks would be required.
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Answers
Answer:
Bro your answer is 4166.67
Step-by-step explanation:
length of the wall, l = 10 m = 100 cm
Breadth of the wall, b = 42 m = 4200 cm
Height of the wall, h = 5 m = 500 cm
Volume of the wall = l × b × h = 100 cm × 4200 cm × 500 cm = 21000000 cm3
Dimension of the brick = 42 cm × 12 cm × 10cm
∴ Volume of each brick = 42 cm × 12cm × 10 cm = 5040 cm3
Let the number of bricks required be n.
n × Volume of each brick = Volume of the wall
therefore, n= vol of the wall/ vol of each brick
n= 21000000cm³/5040cm³
n= 4166.67
Thus, the number of brick required is 4166.67
Answer:
Explanation:
Given :
[ For wall ]
- Length (l) = 10 m ⇒ 1000 cm
- Height (h) = 4 m ⇒ 400 cm
- Breadth (b) = 24 cm
[ For brick ]
- Length (l) = 24 cm
- Breadth (b) = 12 cm
- Height (h) = 8 cm
To Find :
- Number of bricks required.
Solution :
★Volume of wall,
Length × Breadth × height
⇒ 1000 × 24 × 400
⇒ 1000 × 9600
⇒ 9600000 cm^3
★Volume of brick,
Length × Breadth × height
⇒ 24 × 12 × 8
⇒ 24 × 96
⇒ 2304 cm^3
★Number of bricks,
Volume of wall / Volume of brick
⇒ 9600000 cm^3 / 2304 cm^3
⇒ 9600000 / 2304
⇒ 4166.6
Hence, Number of bricks is 4166.6 .