Question

A man buys 12 lts of liquid which contains 20% of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30% of liquid. What is the % of water in the new mixture?

Answer 1

12/20×100=60

contains rest water

10/30×100=9.9

mixture of liquid

(contains rest water+mixture of liquid=60+9.9=69.9