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A cubical block of side 0.5 m floats on water with 30% of its volume under water. What is the maximum weight that can be put on the block without fully submerging it under water? [Take, density of water = 10 3 kg/m 3 ]

1. 30.1 kg
2. 87.5 kg
3. 65.4 kg
4. 46.3 kg

Correct answer: 87.5 kg

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