HARD

10th West Bengal Board

IMPORTANT

Earn 100

The outer length, breadth and height of a box without lid are $112 cm, 80 cm$ and $75 cm$ . How much metal is required to make the box by a metal sheet of $5 cm$ thick.

Important Questions on Rectangular Parallelopiped or Cuboid and Cube

HARD

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 16

The outer dimension of a metal box with lid are

12 cm, 10 cm

and

8 cm

. If the whole inside surface area of it is

376

sq. cm, then find the thickness of the metal sheet by which is made.

HARD

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 17

A low land of length

40

metre and breadth

30

metre is to make

2.5

decimeter high by soil. For this the amount of soil required is obtained from a trench around the land of

2.5

metre broad. Find the depth of trench.

HARD

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 18

The ratio of inside length, breadth and height of a water tank with lid is

9 : 8 : 6

and whole inside area is

8700

sq.cm. The tank is half full of water. A cube is immersed in the tank and water is raised up to full level. Find the length of the side of the cube.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 19

Two cubes whose length of the edges are equal are combined side by side to form a rectangular parallelepiped. If the volume of the rectangular parallelepiped is

1024

cc then find each edge of each cube.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 20

The length and breadth of the lower part of a water tank in the form of a rectangular parallelepiped are

15

metre and

12

metre. The tank is filled from a near pond by a pump. The pump can fill

3600

litres of water per hour. In what time the pump can fill water of

7.2

decimeter height.

[1

litre

= 1

cubic decimeter

]

HARD

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 21

From a wooden log of

10

metre length,

8

decimeter broad and

5

decimetre thick

32

piece of wood

1.5

metre long and

4

decimetre broad is formed. To make the pieces

2 %

wood is wasted. If remains

80

cubic decimetre of wood in the log. Find the thickness of each piece of wood.

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 22A

The dimensions of a rectangular parallelepiped are

25 cm

15 cm

and

9 cm

. The edge of a cube whose volume is same as the volume of the parallelepiped is

MEDIUM

10th West Bengal Board

IMPORTANT

SCHOOL MATHEMATICS Class 10>Chapter 19 - Rectangular Parallelopiped or Cuboid and Cube>EXERCISE 1>Q 22A

The inside area of four walls of a cubical room is

256

sq. metre. The volume of the room is

The outer length, breadth and height of a box without lid are 112 cm, 80 cm and 75 cm. How much metal is required to make the box by a metal sheet of 5 cm thick.

Important Questions on Rectangular Parallelopiped or Cuboid and Cube

Learn and Prepare for any exam you want !

The outer length, breadth and height of a box without lid are $112 cm, 80 cm$ and $75 cm$ . How much metal is required to make the box by a metal sheet of $5 cm$ thick.