1.

There are five rooms in my househall, kitchen, study room, bedroomand dining room. There is one light ineach room. Whenever the kitchen lightis on, the study room light is offWhenever the dining room light is on,the kitchen light is also on. Wheneverthe study room light is on, the halllight has to be on. How many lights, atthe most, can be on simultaneously?(a) 5(b) 4(c) 3(d) 2​

Answer»

Answer:

4

HoPe iT HeLpS

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