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Pakistan Studies Medium

Which example shows why old personal units were unreliable?

  • A Different people may have different foot lengths
  • B All rulers have the same scale
  • C SI units are based on seven units
  • D Scientific notation uses powers of ten
Correct Answer: Option A — Different people may have different foot lengths
Explanation:
Measurements based on hands, feet or steps vary from person to person, which creates confusion.
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MCQ Details
SubjectPakistan Studies
DifficultyMedium
Exam Types
CorrectOption A
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