Percentage - Excercise 2 - Q25

Question

i. To a sugar solution of 3 litres containing 40% sugar, one litre of water is added. The percentage of sugar in the new solution is :

  • 20
  • 30
  • 40
  • 50
4
Answer and Explanation
The Correct answer is : 30
Explanation :
Quantity of sugar = ${\left(\begin{array}{c}\frac{40}{100}\times3\end{array}\right)}$kg = 1.2 kg.
New percentage = ${\left(\begin{array}{c}\frac{1.2}{4}\times100\end{array}\right)}$ = 30%.
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