Question

How many bricks will be required to lay a path 120 m long and 2.4 m broad if a brick is 24 cm long and 15 cm wide.
answer should be: 8000.​

Answer 1

Answer:

8000 bricks will be required to lay a path 120 m long and 2.4 m broad

Explanation:

Area of this path =  (120 × 2.4)

= 288 sq m

Length of the brick  = 0.24 m

Breadth of the brick = 0.15 m

Area of the brick =  (0.24 × 0.15)

= 0.036 sq m

Number of bricks =  (288 ÷ 0.036)

= 8000

8000 bricks will be required to lay a path 120 m long and 2.4 m broad.

Multiplication:

Mathematicians multiply the numbers in order to calculate the sum of two or more. A fundamental mathematical operation, it is applied frequently in daily life. In order to combine groups of similar sizes, we employ multiplication. An illustration of the fundamental concept of repeated addition of the same integer is multiplication. The product of two or more integers refers to the result of the multiplication, while the factors are the amounts that are being multiplied. It is easier to add the same number repeatedly after it has been multiplied.

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Answer 2

Answer:

8000

Step-by-step explanation:

Area of a brick = lenght x bredth

                       = 24 x 15

                       = 360 sq cm

Area of the path = 120 x 2.4

                          = 288 sq m

Now 1 sq m = 10,000 sq cm

Bricks required = area of the path

                           area of a brick

                       = 2880000

                          360

                        = 8000