book Maths Puzzle Numerical Ability

OK I DONT GET HOW TO DO IT...
2/3 * 1/3??...

Read Solution (Total 0)

book Other Question

6/15x-3=2x A chemist added 90 liters of alcohol solution A to 108 liters of 22 percent alcohol solution to get 37 percent solution. Express the concentration of the solution A in percentage. Put % after your answer.