Question

A sick person has to take three types of medicines. He takes type-X in every
3 hours, type: Y in every 4 hours and type-Z in every 6 hours. If he takes all types
of medicine at the same time at 6 a.m., at what time does he take all these types again at a time

Answer 1

Agriculture is the largest consumer of freshwater by far and accounts for 70% of freshwater withdrawals from rivers, lakes and aquifers – up to more than 90% in some developing countries.