Arrange the metric units in ascending order of length: 1. Centimeter, 2. Kilometer, 3. Decimeter, 4. Meter.
Verbal Reasoning
Logical Sequence of Words
Difficulty: Easy
Choose an option
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A1, 3, 4, 2
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B2, 4, 3, 1
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C3, 1, 2, 4
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D4, 2, 1, 3
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ENone of these
Answer
Correct Answer: 1, 3, 4, 2
Explanation
Introduction / Context:This question tests familiarity with metric length units and their magnitudes. You must order them from smallest to largest value.
Given Data / Assumptions:
- Units: centimeter (cm), decimeter (dm), meter (m), kilometer (km).
- Ascending order required.
Concept / Approach:Use base-10 conversions: 10 cm = 1 dm; 10 dm = 1 m; 1000 m = 1 km. Therefore, cm < dm < m < km.
Step-by-Step Solution:
Smallest: centimeter (1).Next: decimeter (3).Then: meter (4).Largest: kilometer (2).Final order: 1, 3, 4, 2.Verification / Alternative check:Convert a common base (e.g., 1 km = 100000 cm) to verify global ordering.
Why Other Options Are Wrong:They contradict base-10 scaling (placing km before m, etc.).
Common Pitfalls:Confusing decimeter with decameter; misremembering 1000 m in a kilometer.
Final Answer:1, 3, 4, 2