Question

cm.
5. The external length, breadth and height of a closed
rectangular wooden box are 18 cm, 10 cm and 6 cm
respectively and the thickness of wood is 5mm

When the box is empty, it weighs 15 kg and when
filled with sand it weighs 100 kg. The weight of a
cubic cm of wood and a cubic cm of sand are
respectively:
1
, kg
(b)
9
21
1
1
(c)
(d) -kg, – kg
21 7
9 7
zikg
, 5kg
kg, kg

Answer 1

Answer:

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