A pupil measures the blackboard distance in steps, then again in handspans. She learns to use:
ADifferent rooms
BDifferent hands
CDifferent chairs
DDifferent units
Answer & Solution
Correct answer: D. Different units
1. The same distance was measured twice.
2. Each time a new unit was chosen.
3. So she learns to use different units.
_Source: syllabus Mathematics Class II, Chapter 13, measuring length._
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