Question

a courtyard 25m long and 16m board is to be laid with brick of length 20cm and breadth 10cm. find the number of bricks required. ​

Answer 1

Answer:

20,000 bricks

Step-by-step explanation:

area of courtyard = 2500 cm *  1600 cm

area of 1 brick = 20 cm * 10 cm

no.  of bricks required = area of the courtyard / area of 1 brick

                                    = 2500 * 1600 / 20 * 10

                                    = 250 * 80

                                    = 20,000 bricks