Advertisements
Advertisements
Question
If the lateral surface area of a cube is 600 cm2, then the total surface area is
Options
150 cm2
400 cm2
900 cm2
1350 cm2
Advertisements
Solution
900 cm2
Explanation;
Hint:
L.S.A of a cube = 600 cm2
4a2 = 600
a2 = `600/4`
= 150
Total surface area of a cube = 6a2 sq.units
= 6 × 150 cm2
= 900 cm2
APPEARS IN
RELATED QUESTIONS
Find the volume of a cube whose side is 4 cm .
Find the surface area of a cube whose edge is 1.2 m.
Two cubes, each of volume 512 cm3 are joined end to end. Find the surface area of the resulting cuboid.
Find the cost of sinking a tubewell 280 m deep, having diameter 3 m at the rate of Rs 3.60 per cubic metre. Find also the cost of cementing its inner curved surface at Rs 2.50 per square metre.
A square plate of side 'x' cm is 8 mm thick. If its volume is 2880 cm3; find the value of x.
The internal length, breadth, and height of a box are 30 cm, 24 cm, and 15 cm. Find the largest number of cubes which can be placed inside this box if the edge of each cube is
(i) 3 cm (ii) 4 cm (iii) 5 cm
How many bricks will be required for constructing a wall which is 16 m long, 3 m high, and 22.5 cm thick, if each brick measures 25 cm x 11.25 cm x 6 cm?
The length, breadth, and height of a cuboid are in the ratio 6: 5 : 3. If its total surface area is 504 cm2, find its volume.
The total surface area of a cube is 294cm2. Find its volume.
A cube of side 5 cm is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the original cube to that of the sum of the surface areas of the smaller cubes?
