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14 Sep 2018, 02:01
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
69% (01:23) correct
31%
(01:19)
wrong
based on 54
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Water is to be transferred completely from a cylindrical tank to a rectangular tank. What is the height of the water in the rectangular tank after the transfer is completed, if the height of the water was 10 inches in the cylindrical tank?
(1) The base of the cylindrical tank has the same area as the base of the rectangular tank.
(2) The radius of the cylindrical tank is 3 feet.
(1) The base of the cylindrical tank has the same area as the base of the rectangular tank.
(2) The radius of the cylindrical tank is 3 feet.
14 Sep 2018, 08:04
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Bunuel
Water is to be transferred completely from a cylindrical tank to a rectangular tank. What is the height of the water in the rectangular tank after the transfer is completed, if the height of the water was 10 inches in the cylindrical tank?
(1) The base of the cylindrical tank has the same area as the base of the rectangular tank.
(2) The radius of the cylindrical tank is 3 feet.
(1) The base of the cylindrical tank has the same area as the base of the rectangular tank.
(2) The radius of the cylindrical tank is 3 feet.
Question : Height of water in rectangular tank = ?
To answer this question we need
1) Radius of cylindrical tank
2) Base area of rectangular tank
Statement 1: The base of the cylindrical tank has the same area as the base of the rectangular tank.
i.e. Heights of water in both tank should also be same as the volume of the water remains the same hence
SUFFICIENT
Statement 2: The radius of the cylindrical tank is 3 feet
Base area of rectangular tank is still unknown hence
NOT SUFFICIENT
Answer: option A
18 Feb 2020, 21:50
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I felt St 1 is sufficient. But somehow am getting another thought that this talking about the base area of both being equal, giving information about radius in cylinder and L*B in rectangle. But how can we still evaluate height from this? just because Areas are equal, volumes may not necessarily be equal, right?
