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A refractometer measures the refractive index of a substance, and in the case of milk adulteration with water, the refractive index changes due to the difference in composition between milk and water. This alteration can be identified using a refractometer, making it a useful tool for detecting water adulteration in milk.
Which of the following box is kept immediately above box A?
S likes which of the following Toffee?
Number of boxes above A is same as the number of boxes below which of the following box?
How many floors are there between O and person who likes Blue?
Who among the following person lives in flat 2 of floor 4?
Who among the following lives on top most floor?
Which of the following statement is true?
Who among the following person attends the seminar just after V?
How many people live above the floor on which N lives?
What is the sum of ages of persons whose ages are multiple of 5?