Question

The outer length ,breadth and height of the wooden box with lid is 1.25m,0.80m and 0.55m. thickness of wood is 2.5cm . If the weight of 1 cubic metre wood is 250kg , find the total weight of the box.

Answer 1

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Answer 2

The total weight of the box is 25 kg

Step-by-step explanation:

Outer length = 1.25 m

Outer breadth = 0.80 m

Outer height = 0.55 m

Thickness of wood = 2.5 cm = 0.025 m

Inner length = 1.25 -(0.025+0.025)=1.2 m

Inner breadth = 0.80 -(0.025+0.025)= 0.75 m

Inner height = 0.55 -(0.025+0.025)= 0.5 m

Volume of wood = Outer volume - Inner volume

Volume of wood = $( 1.25 \times 0.8 \times 0.55)-(1.2 \times 0.75 \times 0.5)$

Volume of wood =$0.1 m^3$

1 cubic m = 250 kg

0.1 cubic = 250 \times 0.1 =25 kg

Hence the total weight of the box is 25 kg

#Learn more:

Inner dimension of an open wooden box are 65cm*45cm*30cm and it is made of 2.5cm thick wood. find the capital of the box. also find the weight of the box in kg if 60 cu cm wood weighs 9 grams.

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