Today's Homework: 1. For 10000 bricks of size 15 cm x 10 cm x 5 cm..... How much depth is required to dug for 3 m x 2 m ? Show your calculations.
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Total volume
= 15m × 1.8m × 37.5cm
= 1500 cm × 180 cm × 37.5cm
Volume of a brick = 25cm × 12.5cm × 7.5çm
Required number of bricks
=1500×180×37.525×12.5×7.5 =4320
= 15m × 1.8m × 37.5cm
= 1500 cm × 180 cm × 37.5cm
Volume of a brick = 25cm × 12.5cm × 7.5çm
Required number of bricks
=1500×180×37.525×12.5×7.5 =4320
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