how many planks each of which is 2m long.2.5cm broad and 4cm thick can be cut-off from a wooden block 6m long, 15cm broad and 40 cm thick?
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636
VOLUME OF PLANKS = L×B×H
= 200×2.5×4 = 2000CM³
VOLUME OF WOODEN BLOCK = L×B×H
= 600×15×40 = 360000CM³
NUMBER OF PLANKS = VOLUME OF WOODEN BLOCK/VOLUME OF EACH PLANKS
= 360000/2000 = 180
= 200×2.5×4 = 2000CM³
VOLUME OF WOODEN BLOCK = L×B×H
= 600×15×40 = 360000CM³
NUMBER OF PLANKS = VOLUME OF WOODEN BLOCK/VOLUME OF EACH PLANKS
= 360000/2000 = 180
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