A rectangular tank is 40 cm long, 25 cm wide, and 30 cm high. It contains water to a height of 20 cm. Ravi drops a stone into the tank. The water level rises to 22 cm. What is the volume of the stone?
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Worked Solution
Step 1: Find the rise in water level caused by the stone.
22 − 20 = 2 cm
Step 2: Find the base area of the tank.
40 × 25 = 1 000 cm²
Step 3: Volume of stone = base area × rise.
1 000 × 2 = 2 000 cm³
Correct answer: 2 000 cm³
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