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HR Interview 426
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Logical Reasoning (4)

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(#M40114665) AMAZON QUESTION Brain Twister Keep an EYE

There are 100 bulbs in a room. 100 strangers have been accumulated in the adjacent room. The first one goes and lights up every bulb. The second one goes and switches off all the even numbered bulbs – second, fourth, sixth... and so on. The third one goes and reverses the current position of every third bulb (third, sixth, ninth… and so on.) i.e. if the bulb is lit, he switches it off and if the bulb is off, he switches it on. All the 100 strangers progresses in the similar fashion.
After the last person has done what he wanted, which bulbs will be lit and which ones will be switched off ?: Asked In amazon KUMAR HARSH (10 years ago); Unsolved Read Solution (5); Is this Puzzle helpful? (26) (9) Submit Your Solution Mathematical Reasoning

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MATHEMATICS IS NOT CRAMMING OR LEARNING ITS JUST LOGIC OR CREATIVITY..............

PANKAJ AGGARWAL

EVERY IDIOT CALLS A MATHEMATICIAN A IDIOT BECAUSE THEY CAN'T MEASURE THEIR INTELLIGENCE.

Jayanth Eric

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