Question

why drinking boiled water and filtered water

Answer 1

in filletered water only impurities r removed and u get the same amount of water whereas in drinking boiled water impurities and germs r destroyed and killed ..where some amount of water gets boiled and reduces water level

Answer 2

because in ground water a lot of minerals, unwanted particles and many more mixed in water but when we bolied water the germs are killed and the water get fresh and when we filtered water a lot of poisonous minerals and stone particles are get filterd by it
so we prefer boiled and filtered water for drink......
I hope it helps you dear...........