A closed wooden box 80 cm long. 65 cm wide and 45 cm high, is made up of wood 2.5 cm Pind (i) the capacity of the box (1) the weight of the box, if 100 cm of wood weighs 8 gram
The external dimensions of anoden bor, open at the top are 54 cm by 30 cm by 16 cm. It is
of water flown in 1 hour = 4.5 *
the volume of wood .
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