Total Surface Area of a Cuboid
Trending Questions
If each side of a rhombus is doubled, how much will its area increase?
(a) 1.5 times
(b) 2 times
(c) 3 times
(d) 4 times
Find the surface area of the following figure if it is folded along the dotted lines. (all the measurements are in cm)
215
- 240
- 200
- 220
Which of the following is an oblique sketch of a cube of edge 4 cm?
If each edge of a cube is increased by 50%, find the percentage increase in its surface area.
- 26
- 61
- 72
- 108
A steel box has dimensions of 2 m, 3 m, and 0.5 m. It has to be gold plated using electrolysis. If each square metre of gold plating costs Rs.100, then gold plating the outer surface of the box costs.
Rs.3000
Rs.1700
Rs.1500
Rs.3400
Which of the following option is correct?
S1 : Total surface area of a cuboid is the sum of areas of 4 faces excluding top and bottom faces.
S2 : Lateral surface area of a cuboid is the sum of areas of 4 faces excluding top and bottom faces.
S3 : Area of a face of a cuboid is of the form xy, where x and y are its length and breadth respectively.
S1 , S3 are true
S2 , S3 are false
S2 and S3 are true
S1 and S3 are false
The total surface area of a box which is in the form of a cuboid whose dimensions are l×b×h is__________.
2(lb + bh + hl)
2(lh + bh)
lh + bh
lb + bh + hl
The total surface area in m2 of a cuboid with dimensions of 26m, 14m and 6.5m respectively is
The ratio of surface areas of 1 cube of volume 64 cm3 and 64 cubes of volume 1 cm3 is
1: 2
1: 3
1: 4
1: 1
The areas of three faces of a cuboid are 15, 20, 12 cm2. What are the possible values of the height of the cuboid in cms?
8, 6, 9
3, 4, 6
4, 5, 6
5, 4, 3
The total surface area in m2 of a cuboid with dimensions 26 m×14 m×6.5 m is
Sachin wants to make a pet house for his dog with length, breadth and height of 3m, 2m and 1m respectively. What is the area of walls inside the pet house that has to be painted?
If AC = 10cm, PC=15cm and AB=6cm. Find PB?
6cm
7cm
8cm
9cm
- 8 cm2
- 10 cm2
- 12 cm2
- 9 cm2
(a) 144 cm2
(b) 216 cm2
(c) 180 cm2
(d) 108 cm2
A steel box has dimensions of 2 m, 3 m and 0.5 m. It has to be gold plated using electrolysis. If each square metre of gold plating costs Rs.100, then find the cost of gold plating the outer surface of the box.
Rs.1500
Rs.1700
Rs.3000
Rs.3400
- 1 : 1
- 1 : 4
- 4:1
- 1:16
Find the area of the figure by splitting them into rectangles and squares.
If 'l', 'b', and 'h' are the length, breadth, and height of the rectangular box respectively, then the product of the areas of all the faces of the box is equal to
the volume of the box
the square root of the volume
twice the volume
square of the volume
- False
- True
(a) 3456 cm3
(b) 432 cm3
(c) 1728 cm3
(d) 3456 cm3
If 'l', 'b', and 'h' are the length, breadth, and height of the rectangular box respectively, then the product of the areas of all the faces of the box is equal to
the volume of the box
the square root of the volume
twice the volume
square of the volume
- 8 cm3
- 64 cm3
- 16 cm3
- 27 cm3
A rectangular cardboard of dimension 20 m × 10 m is placed on a table. 4 squares of side 2.5 m are cut out from the corners and the 4 sides are folded . Find the surface area of the resulting figure which is to be painted on all the sides.
175
- 155
- 180
- 100