All the three i.e., water, ice and vapour exist simulatneously at

Ice, water and steam can exist simultaneously at:

Ice, water and steam can exist simultaneously at:

In all the three states of water (i.e.ice,liquid and vapour)chemical composition of water

The point where all the three state (solid, liquid, vapour) of H_2O exist is known as

The point where all the three state (solid, liquid, vapour) of H_2O exist is known as

Using dot (. ) pattern, which of the following numbers can be arranged in all the three ways i.e., line, triangle and a rectangle?