# Cuboid

## Trending Questions

**Q.**Find the cost of painting a cuboid of dimensions 20 cm ×15 cm ×12 cm at the rate of 5 paise per square centimeter

**Q.**Find the total surface area of a cuboid whose length, breadth and height are 5 cm, 4 cm and 3 cm respectively.

- 86 cm2
- 51 cm2
- 64 cm2
- 94 cm2

**Q.**A cuboidal parcel is being packed in cardboard. If the parcel is 64 cm long, 8 cm wide, and 1 cm thick, what is the area of cardboard required?

- 1168 cm2
- 784 cm2
- 640 cm2
- 200 cm2

**Q.**The length, breadth and height of a cubiod is 30 cm, 25cm, 20 cm respectively. Its total surface area is

- 3800 cm2
- 3700 cm2
- 3600 cm2
- 3900 cm2

**Q.**A cuboidal parcel is being packed in cardboard. If the parcel is 64 cm long, 8 cm wide, and 1 cm thick, what is the area of cardboard required?

- 200 cm2
- 1168 cm2
- 640 cm2
- 784 cm2

**Q.**Find the total surface area of the following cuboid.

**Q.**

**Question 10**

A company packages its milk powder in a cylindrical container whose base has a diameter of 14 cm and height 20 cm. The company places a label on the surface of the container (as shown in the figure). If the label is placed 2 cm from top and bottom, what is the area of the label?

**Q.**1 Verify Eulers formula for a square pyramid. 2 How are prisms and cylinders alike?

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**Question 48**

Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20 cm×10 cm along its length and also along its breadth respectively. Curved surface area of A is

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**Question 65**

The walls and ceiling of a room are to be plastered. The length, breadth and height of the room are 4.5 m, 3 m and 350 cm respectively. Find the cost of plastering at the rate of Rs. 8 per m2.

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**Question 75**

Find the length of the largest pole that can be placed in a room of dimensions 12m×4m×3m.

**Q.**

A room is 4.8 m long, 3.6 m broad and 2 m high. Find the cost of laying tiles on its floor and its four walls at the rate of Rs 100/m^{2}.

**Q.**The amount of cardboard needed to build a closed cylindrical box of given dimensions is

(Take π = 3.14)

- 113.04
- 168.76
- 138.16
- 254.34

**Q.**An oil tin in the shape of a cuboid has dimensions, 26 cm × 26 cm × 45 cm . If 1 sq. m sheet costs ₹10 , then the total cost for making 20 such tins is ____.

- ₹120.64
- ₹125.60
- ₹128.60
- ₹129.60

**Q.**

The pillars on the veranda of a school are square prisms of base length 20 centimetres and height 2.25 metres. There are 60 such pillars. What is the total cost of painting them all, at 250 rupees per square metre?

**Q.**

The cost $C$ (in dollars) of making a square window with a side length of $ninches$is represented by$C=\frac{{n}^{2}}{5}+175$. A window costs $\$355$. What is the side length (in feet) of the window? Justify your answer.

**Q.**An oil tin in the shape of a cuboid having dimensions, 26 cm × 26 cm × 45 cm . If 1 sq. m sheet costs ₹10 , then find the total cost for making 20 such tins.

**Q.**

Find the length of the side of a cube whose total surface area is 1536 cm2.

0.16 m

0.16 cm

1.6 m

160 cm

**Q.**A matchbox measures 4 cm×2.5 cm ×1.5 cm. What will be the volume of a packet containing 12 such boxes ?

**Q.**

A reservoir in the form of cuboid is 50 m long. If 20 kl water is removed from the reservoir, water level goes down by 10 cm. Find the width of the reservoir.

6 m

3 m

4 m

5 m

**Q.**The surface area of the cuboid as shown below is

- 60
- 72
- 84
- 96

**Q.**(a+b) = 12 ab= 2 find the vakye of (a cube +b cub

**Q.**Daniel is painting the walls and ceiling of a cuboidal hall with length, breadth and height of 15 m, 10 m and 7 m respectively. From each can of paint 100m2 of area is painted. How many cans of paint will she need to paint the room?

**Q.**A concical tent has slant height of 14 m, and the curved surface area is 308 m2. What is its base area?

- 154

**Q.**Calculate the total surface area of a cuboid whose length is a units, breadth is a2 units, and height is a3 units.

- 2 (a3 + a5 + a4) sq. units
- 2 (a4 + a5 + a6) sq. units
- 2 (a6 + a4 + a2) sq. units
- None of the above

**Q.**

**Question ****114**

Four times the area of the curved surface of a cylinder is equal to 6 times the sum of the areas of its bases. If its height is 12 cm, find its curved surface area.

**Q.**A company packages its milk powder in a cylindrical container whose base has a diameter of 14 cm and height 20 cm. The company places a label on the surface of the container (as shown in the figure). If the label is placed 2 cm from top and bottom, what is the area of the label?

**Q.**The length, breadth and height of a cuboid are in the ratio 5:4:2. If the total surface area is 1216 cm2, find the dimensions of the solid.

- (21×11×8) cm
- (20×16×8) cm
- (27×17×8) cm
- (25×19×8) cm

**Q.**

**Question 79**

Draw the net of the following cuboid:

**Q.**If the length, breadth, and height of a cuboidal block are 15 ft, 12 ft, and 12 ft respectively, find the total surface area of the block.

- 1008 cm2
- 504 cm2
- 1548 cm2
- 1220 cm2