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A hair is 12 cm long. A hair of double the length measures:

A22 cm
B26 cm
C20 cm
D24 cm
Answer & Solution
Correct answer: D. 24 cm
1. Double means multiplying by two. 2. Twelve times two is twenty four. 3. So it measures 24 cm. _Source: syllabus Mathematics Class IV, Chapter 2, Long and Short._
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