Question

if 60 cm cube of a metal weight 1kg find the weight of a block of the same metal of the size 20 CM by 12 CM by 5 cm

Answer 1

Answer:

Step-by-step explanation:

60cm cube=1kg

then metalof 240×5=1200cm=1200/60

=20×1=20kg

so weight=20kg

Answer 2

Answer:

The weight of new block is=20kg

Step-by-step explanation:

60 cm cube= 1kg

Dimensions=20cm...12cm...5cm...

Its volume=20x12x5

=20x60

=1200

60:1::1200:$\alpha$

60x$\alpha$=1200x1

$\alpha$=1200/60

$\alpha$=20

The weight of new block is=20kg