Question

How many planks each of which is 2 m long, 2.5 cm broad and 4 cm thick can be cut off from a wooden block 6 m long, 15 cm broad and 40 cm thick?​

Answer 1

Answer:

No. of planks

volume of wooden block

= -------------------------------------------

volume of plank

6m×15cm×40cm

=-----------------------------------------

2m×2.5cm×4cm

600cm×15cm×40cm

= ----------------------------------------

200cm×2.5cm×4cm

= 180 planks

Thus, 180 planks can be cut off from the wooden block.

Answer 2

Answer:

please refer the attachment

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