Question
A solid cubical block of fine wood costs rupees 256 at rupees 500/m3. Find its volume and the length of each side?
Answer: Option D
- Let the edge of the cubical box be “a” m.
Rs. 500 is the cost of 1 m3 wood
Rs. 256. is the cost of 1x256/500 m3 wood=0.512m3
So, Volume of total wood = 0.512m3
a x a x a = 0.512m3
a x a x a = 0.8 x 0.8 x0.8x
The length of each side = 0.8m=80cm
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- Let the edge of the cubical box be “a” m.
Rs. 500 is the cost of 1 m3 wood
Rs. 256. is the cost of 1x256/500 m3 wood=0.512m3
So, Volume of total wood = 0.512m3
a x a x a = 0.512m3
a x a x a = 0.8 x 0.8 x0.8x
The length of each side = 0.8m=80cm
Was this answer helpful ?
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