Cuboid and Its Surface Area

Q.

The length of the longest pole that can be placed in a room 3m long, 4m broad and 5m high is 12 m.

1. True
2. False

Q.

If the dimensions of a cuboid are 3 cm, 4 cm and 10 cm, then its surface area( in $c{m}^2$) is:

1. 82

2. 123

3. 164

4. 216

Q.

What is area? State its SI unit.

Q.

Pavan built a conical flask using 550 $m^2$ of aluminium sheet. If the radius of the flask is 7 m, then how much water can be filled in the flask(in litres)? [The bottom of the flask is of another material.]

1. 123 litres

2. 12300 litres

3. 1232000 litres

4. 1232 litres

Q.

The amount of surface occupied by an object is called its

1. Volume

2. Area

3. Mass

4. Capacity

Q.

Pavan built a conical flask using 550 $m^2$ of aluminium sheet. If the radius of the flask is 7 m, then how much water can be filled in the flask(in litres)? [The bottom of the flask is of another material.]

1. 1232 litres

2. 1232000 litres

3. 12300 litres

4. 123 litres

Q.

Ravish wanted to make a temporary shelter for his car by making a box-like structure with tarpaulin that covers all the four sides and the top of the car (with the front face as a flap which can be rolled up). How much tarpaulin would be required to make the shelter if height is $2.5m$ and dimensions of the base are $4m\times 3m?$

1. $47m^2$

2. $30m^2$

3. $54m^2$

4. $37m^2$

Q.

Ravish wanted to make a temporary shelter for his car by making a box-like structure with tarpaulin that covers all the four sides and the top of the car (with the front face as a flap which can be rolled up). How much tarpaulin would be required to make the shelter if height is $2.5m$ and dimensions of the base are $4m\times 3m?$

1. $37m^2$

2. $30m^2$

3. $47m^2$

4. $54m^2$