Question

a family of 6 members consumes 42 kg of rice in a month . if 4 guest stay for a month,how much more rice should be bought.

Answer 1

Here, 6 members consume 42 kg of rice .
That means , Each member consumes 7 kg of rice.
Now, 4 members will require 7*4 = 28 kg of rice ,which is the answer.