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While adding, a pupil collects 11 loose beads. She keeps one loose and carries:

A3 necklace
B4 necklace
C1 necklace
D2 necklace
Answer & Solution
Correct answer: C. 1 necklace
1. Ten of the eleven make a full necklace. 2. One bead is left loose. 3. So she carries 1 necklace. _Source: syllabus Mathematics Class II, Chapter 12, Give and Take._
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