How many marbles are dropped into the glass of water?
AFive
BNine
CSeven
DEight
Answer & Solution
Correct answer: A. Five
1. The marbles push the water level up.
2. She drops 5 marbles in the glass.
3. She then marks the new level of water as 5 marbles.
_Source: syllabus Mathematics, 'Math-Magic', Ch 14 'How Big? How Heavy?'_
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