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(i)The cost of constucting a wall 8 m long , 4m high and 20 cm thick at rate of rs 25 per m^3 is

(ii)A cube whose volume is 1/8 cubic cm is placed on top of a cube whose volume is 1 cm ^3.the 2 cubes are then placed on top of a 3rd cube whose vol is 8 cm^3.the height of stacked cubes is

(iii)the number of cubes of side 3 cm that can be cut froma cuboid of dimensions 10 cm *9cm*6 cm is

answer all

2
by rajusetu

ok

fast

i posted it see

sorry 3 one answer is 18.

i donot know how

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