Question

Q4. The size of a wooden block is (15 cm 2 cm 20 cm). How many such blocks will be required to construct a solid wooden cube of minimum size? (a) 50

Answer 1

Answer:

75 is the answer . .

Step-by-step explanation:

hope its help u. .

Answer 2

Given : The size of a wooden block is (15 cm 2 cm 20 cm).

Explanation:

side of the smallest cube = LCM of 15, 2 , 20 cm

LCM of 15, 2 , 20 cm  = 60 cm

thus ,

The volume of the cube  = (side )³ = (60)³ = 216000 cm³

Volume of the block = length × breadth× height

= 15×2 ×20

= 600 cm³

Thus

number of blocks = $\frac{216000}{600}$

= 360 cubes

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