Question

How many milliliters of a 40% solution and a 12% solution are needed to make 420 ml of 25% solution?

Accepted Answer

195 ml of 40% solution and 225 ml of 12% solution

Answer

295 ml of 40% solution and 125 ml of 12% solution

Answer

245 ml of 40% solution and 175 ml of 12% solution

Answer

100 ml of 40% solution and 320 ml of 12% solution

Question 1 - Order Entry and Processing Practice Test for the PTCB Exam