Math, asked by ashwinisawant964, 9 months ago

A wall is to be 420 cm long and 300 cm wide. how much bricks of length 30 cm and breadth 20 cm are required to construct the wall?

Answers

Answered by rachaelmascarenhas7

3

Answer:

21 bricks are required

Step-by-step explanation:

Area of the wall= 420x300 =12600cm²

Area of one brick= 30x20 = 600cm²

No. of bricks= 12600/600

= 21 bricks

Previous Question

Next Question

Similar questions

Chemistry, 5 months ago

Classify each of the following atomic scale views...

Science, 5 months ago

What is the answer to this alli and her classmates want to know which species of oak produces the acorns that squirrels prefer. which possible procedure is likely to produce the most reliable results? for one day, observe and record the number of squirrels that gather acorns from each species of oak. for three days, observe and record the number of squirrels that gather acorns from each species...

Environmental Sciences, 5 months ago

Name the minerals and vegetation found in eastern ghats and western ghats...

Math, 9 months ago

1kg of cherries costs ruppes 40.What is the cost of 500gram...

Science, 9 months ago

what is the relationship between the heat produced and the resistance of the material ...

Physics, 11 months ago

A car takes 2 hours less feel a journey of 300km, if its speed is increased by 5km per hour from its usual speed. Find usual speed of the car...

Physics, 11 months ago

A car cover a distance of 175 km at a constant speed if the speed of the car would have been 10km/hr more then it would have taken 2 hours less to cover the same distance. What is the original speed of the car...

Chemistry, 11 months ago

A carbon compound p on heating with excess concentrated h2so4 forms another carbon compound q which on addition of hydrogen in the presence of nickel catalyst forms a saturated carbon compound r. One molecule of r on combustion forms two molecule of carbon dioxide and three molecules of water.