A $2$ rupee coin weighs $6 \mathrm{g}$. The weight of a sack with $3000$ coins is  $\mathrm{kg}$.

A stage (platform) is made with $5$ Math-Magic books. The volume of this stage is the same as _____ $\mathrm{cm} \mathrm{cubes}$ .

Consider the dimension of the Math-Magic book as $20 \mathrm{cm}\times 15 \mathrm{cm}\times 1 \mathrm{cm}$ .

The volume of the matchbox is _____ $\mathrm{cm} \mathrm{cubes}$, if length is $4 \mathrm{cm}$, breadth is $3 \mathrm{cm}$ and height is $1 \mathrm{cm}$.

She used _____ matchboxes to make this stage.

The volume of one matchbox is the same as $10 \mathrm{cm} \mathrm{cube}$. Then the volume of this stage is same as _____ $\mathrm{cm} \mathrm{cube}$.

Tanu is making a stage with matchboxes. She first puts $14$ matchboxes like this in the first layer. She makes $4$ such layers and her stage looks like this.

If all these cubes are arranged in a line, how long will that line be ? _____ $\mathrm{cm}$.

If the volume of Math-Magic book is $540 \mathrm{cm} \mathrm{cube}$, then which has more volume: _____ (Math-Magic book or Tanu's stage)

The volume of one matchbox is $10 \mathrm{cm} \mathrm{cube}$.