. There are three on-off switches on a control panel A,B and C, They have to be changed from initial setting to a second setting according to the following conditions: In case only switches A is the switch on in the intitial setting , then turn on switch B. In case switches A and B are the only switches on in the initial seting , then turn on switch C. In case all the three switches are on intialtlly setting ,then turn off the switch C. For any other inltial Setting, turn on all switches that are off and trun off all switches, If any, that are on . Q: In case all the tree switches are on in the second setting, which among the following could have been the initial setting?
- A on, B on, C on.
- A off, B off, C on
- A off, B on, C off.
- A on, B off, C off
- None
Explanation
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