Find the volume, lateral surface area and the total surface area of the cuboid whose
(i) Length=22cm, breadth=12cm and height=7.5cm
(ii) Length=15m, breadth=6m and height=9dm
(iii) Length=24m, breadth=25cm and height=6m
(iv) Length=48cm, breadth=6dm and height=1m
A solid rectangular piece of iron measures 1.05m × 70cm × 1.5cm. Find the weight of
this piece in kilograms if 1cm3of iron weighs 8 grams.
A cardboard box is 1.2m long, 72cm wide, and 54cm high. How many bars of soap
can be put it into it if each bar measures 6cm × 4.5 cm × 4 cm?
How many bricks, each of size 25 cm × 13.5cm × 6 cm, will be required to build a wall
8 m long, 5.4 m high, and 33cm thick?
A wall 15m long, 30cm wide, and 4m high is made of bricks, each measuring 22 cm ×
12.5cm × 7.5 cm. If 1/12 of the total volume of the wall consists of mortar, how
many bricks are there on the wall?
Find the capacity of the rectangular cistern in liters whose dimensions are 11.2 m × 6m ×
5.8m. Find the area of the iron sheet required to make the cistern.
Select the correct answer in each of the following:
dimensions 12cm × 9cm × 8cm, is
(a) 13cm (b) 17cm (c) 18cm (d) 19cm
The total surface area of a cube is 150 cm2.Its volume is
(a)216 cm3 (b) 125 cm3 (c) 64 cm3 (d) 1000 cm3
How many bricks, each measuring 25cm × 11.25cm × 6cm, will be needed to
build a wall 8m long, 6m high, and 22.5 cm thick?
(a)5600 (b)6000 (c)6400 (d)7200
The edges of a cuboid have their volumes in the ratio 1:2:3 and its surface area
is 88cm2. The volume of the cuboid is
(a)48 cm3 (b) 64 cm3 (c) 96 cm3 (d) 120 cm3
Two cubes have their volumes in the ratio 1:27. The ratio of their surface areas
(a)1:3 (b)1:9 (c)1:27 (d)None of these
The surface area is 9m long, 40cm wide, and 20cm high. If 1 cubic meter of iron
weighs 50 kg, what is the weight of the beam?
(a)56kg (b)48kg (c)36kg (d)27kg
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