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LSAT Sample Questions ›› Analytical Reasoning

# Analytical Reasoning

Questions 51 - 56

There are three on-off switches on a control panel A, B, and C. They have to be changed from an initial setting to a second setting according to the following conditions : In case only switch A is the switch on in the initial setting , then turn on switch B.

In case switches A and B are the only switches on in the initial setting, then turn on switch C. In case all the three switches are on initially setting, then turn off the switch C. For any other initial setting, turn on all switches that are off and turn off all switches, if any, that are on.

1. In case in the initial setting is the switches A and B are on and the switch C is off, then what could be the second setting?
1. A on, B on, C on.
2. A on, B off, C on.
3. A on, B off, C off.
4. A off, B on, C off.
5. A off, B off, C on.

Ans : A

2. In case switch B is the only switch on in the initial setting, what must be the second setting?
1. A on, B on, C on.
2. A on, B on, C off.
3. A on, B off, C on.
4. A off, B off, C on.
5. A off, B off, C off.

Ans : C

3. In case all the three switches are on in the second setting, which among the following could have been the initial setting ?
1. A on, B on, C on.
2. A on, B on, C off.
3. A on, B off, C on.
4. A on, B off, C off.
5. A off, B on, C off

Ans : B

4. In case switch A is off in the second setting, which among the following could have been the initial setting ?
1. A on, B on, C on.
2. A on, B on, C off.
3. A on, B off, C on.
4. A on, B off, C off.
5. A off, B on, C off.

Ans : C

5. In case only switch B is on in the second setting, which among the following could have been the initial setting ?
1. A on, B on, C on.
2. A on, B off, C on.
3. A off, B on, C off.
4. A off, B off, C on.
5. A off, B off, C off.

Ans : B

6. Which among the following initial settings leads to a second setting, where only one switch is off ?
1. A on, B on, C off.
2. A on, B off, C on.
3. A off, B on, C on.
4. A off, B on, C off.
5. A off, B off, C off.

Ans : D

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LSAT Analytical Reasoning Question Number : 1-7 | 8-12 | 13-21 | 22-25 | 26-31 | 32-34 | 35-41 | 42-47 | 48-50 | 51-56 | 57-63 |64-70 | 71-75 | 76-79 | 80-85 | 86-92 | 93-97
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