A solid cube just gets completely immersed in water when a 0.2 kg mass is placed on it. If the mass is removed, the cube is 2 cm above the water level. What is the length of each side of the cube ?
A. 6 cm
B. 8 cm
C. 10 cm
D. 12 cm
Answer: Option C
Solution(By Examveda Team)
Let the length of each side of the cube be a cmThen, Volume of the part of cube outside water = Volume of the mass placed on it
⇒ 2a2 = 0.2 × 1000
⇒ 2a2 = 200
⇒ a2 = 100
⇒ a = 10
Related Questions on Volume and Surface Area
A. 12$$\pi$$ cm3
B. 15$$\pi$$ cm3
C. 16$$\pi$$ cm3
D. 20$$\pi$$ cm3
In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
A. 75 cu. m
B. 750 cu. m
C. 7500 cu. m
D. 75000 cu. m
A. 84 meters
B. 90 meters
C. 168 meters
D. 336 meters
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