Answers

2015-01-21T23:20:05+05:30


volume of each brick= 25 cm x 11.5 cm x 6cm

                                 =1725 cu. cm

volume of wall = 8 m x 6 m x 22.5 cm

                        = 800cm x 600cm x 22.5cm

                          = 1080000 cu. cm

hence no. of bricks needed= 626      

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