MHT CET Chemistry question

To what extent must a given solution containing 40 mg per mL be diluted to yield a solution containing 16 mg per mL?

• (A)Each mL must be diluted to 2.5 mLCorrect
• (B)To each mL of solution 2.5 mL of water should be added
• (C)To 1.5 mL of solution 2.5 mL of water should be added
• (D)To 1.5 mL of solution 1.5 mL of water should be added