Question

how many bricks of 7 cm 13 cm and 6 cm will be required to built a wall 50m long 6m thick and 4.2m high. find the totle cost of bricks at Rs 230 per 1000

Answer 1

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Answer 2

What is the area of acircle,circumference of which is equal to the perimetre of a square of side 11cm?