Question

Example 16: A water tank
Then,
16. Find the volume of wood used to make a closed rectangular box of outer dimensions 60 cm x 45 cm x 32 cm, the
hich is 2 m long, 2.5 cm broad and 4 cm thick, can be cut off from a wooden log of
submergea cube of each side as 30 cm. Find the rise in the level of water.
thickness of wood being 2.5 cm all around.
to form a cube of edge 4 cm. How much iron would be lost to make it?
17. Three iron cuboids of dimensions 3 cm x 2.5 cm x 4 cm, 3.5 cm x 2.cm x 2.5 cm and 4 cm x 3 cm x 1.5 cm are miliar
height of the
Given, r = 3
19​

Answer 1

Answer:

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