Question no 3 3516
EXERCISE 18
1. A square room 4 m high contains 1296 cubic
metres of air Find the length of the room.
Find the total surface area of a cubical block
containing 343 cu cm
3. A solid stack measuring 20 m by 15 m by
6 m contains 1200000 bricks each 25 cm
long and 6 cm thick. Find the Width of each
brick.
4. A cubical container contains 3375 litres of
water Find the length of each edge of the