class 9 icse maths ch 21 ex 21 b ques. no. 10
please explain.
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a noun is a name of person place animals or things
sorry but I only have chapters till 20 only
plz mention the chapter name
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External volume of the box=
Since, external dimensions are 27 cm, 19 cm, 11 cm; thickness of the wood is 1.5 cm.
Internal dimensions
Hence, internal volume of box=
(i)
Volume of wood in the box=
(ii)
Cost of wood
(iii)
Vol. of 4 cm cube=
Number of 4 cm cubes that could be placed into the box
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