Question

A log of wood with dimensions 2cmx20cmx10cm is cut into small blocks of dimensions 10cmx 5cmx 4cm . How many blocks will we get? Total surface area of all blocks???

Answer 1

No of blocks = (2×20×10)/10×4×5
= 2 blocks


SA of blocks = 2×2 (50+20+40)
= 440 cm^2