A solution of water and sugar contains 10% sugar. The solution’s weight is 8 kg. When 2 kg of water is added, what will be the new percentage of sugar?

by

A. 12%
B. 8% 
C. 13%
D. 15%

🧠 Explanation:

10% of 8 kg = 0.8 kg sugar
Add 2 kg water ⇒ total = 10 kg; sugar still 0.8 kg
New percent = (0.8/10) × 100 = 8%
Answer = 8%