Question:

Choose the odd pair of words.

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Distinguish between \textbf{units} and \textbf{measuring instruments} in such questions.
Updated On: Apr 17, 2026
  • Volume : Litre
  • Time : Second
  • Resistance : Ohm
  • Pressure : Barometer
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The Correct Option is D

Solution and Explanation


Concept: Most pairs follow the relation physical quantity : unit of measurement. Step 1:Analyze each option:
  • (A) Volume : Litre → Unit of volume
  • (B) Time : Second → Unit of time
  • (C) Resistance : Ohm → Unit of resistance
  • (D) Pressure : Barometer → Instrument used to measure pressure

Step 2:Identify the odd pair:
  • (D) differs because it represents quantity : measuring instrument, not unit

Step 3:Final Answer: \[ \text{Pressure : Barometer} \]
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