Question:

Answer the question based on the following table, which shows the relative sweetness of different sugars (sucrose is taken as 1.00).
Relative Sweetness of Different Sugars
Lactose0.16Maltose0.32
Glucose0.74Sucrose1.00
Saccharin675.00
What is the ratio of glucose to lactose in a mixture as sweet as maltose?

Show Hint

Use the alligation rule with maltose's sweetness as the target mean between glucose and lactose.
Updated On: Jul 14, 2026
  • 8 : 21
  • 1 : 3
  • 3 : 2
  • 16 : 9
Show Solution
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The Correct Option is A

Solution and Explanation

Lactose=0.16, Glucose=0.74, target(maltose)=0.32. (0.74x+0.16y)/(x+y)=0.32 => 0.42x=0.16y => x/y=16/42=8/21.

Final Answer: Glucose:Lactose = 8:21, option (1).
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