Question

A courtyard measure 28m by 21m.how many bricks each 25cm by 21cm are required for paving the courtyard ? find the cost of paving the floor with bricks if a brick costs 50 paise.​

Answer 1

ANSWER IN THE ABOVE ATTACHMENT

Answer 2

Answer:

Area of courtyard = (2800*2100) cm²

Area of each = (25*21) cm²

Num. of bricks = (2800*2100)/(25*21) = 11200

cost of paving the floor = 11200*0.5 = ₹5600

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