Civil Service Exam Reviewer · Measurement and Geometry · hard
A solid metal cube with 10-cm edges is dropped into a rectangular aquarium 44 cm long and 51 cm wide, fully submerging it. By how much does the water level rise?
- 10.53 cm
- 0.45 cm
- 0.045 cm
- 0.89 cm
Answer
B. 0.45 cm
Solution
Displaced volume = 10³ = 1000 cm³. Rise = 1000 ÷ (44 × 51) = 0.45 cm.
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