Question

19. A cuboidal metal block of dimensions 2 mx 1 m 1 m weighs 400 kg. Pind the
1
weight of the block of the wine metal of size 1 m
2 2
,​

Answer 1

Answer:

The dimensions of the cuboidal metal block are 20 cm,16 cm and 12 cm

Volume of cuboid =length×breadth×height (Product of all three dimensions)

Volume of metal block=20×16×12=3840 cm

3

The weight of 3840 cm

3

=6kg (Given)

∴The weight of 1 cm

3

=

3840

6

(By unitary method)

To find the weight of the metal block with dimensions 10 cm,8 cm and 8 cm, we first need to find its volume.

Volume=10×8×8=640 cm

3

We know that,

The weight of 1 cm

3

=

3840

6

∴The weight of 640 cm

3

=

3840

6

×640=1 kg (By unitary method)

Answer 2

Step-by-step explanation:

The above answer will help you