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There are ten bulbs in a hall. Each one of them can be switched on independently. The number of ways of illuminating the hall is
  • a)
    102
  • b)
    1023
  • c)
    210
  • d)
    10!
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
There are ten bulbs in a hall. Each one of them can be switched on ind...
Number of ways = 1 bulb is on + 2 bulb is on +3 is on + - - + 10 is on ,
number = 10C1 + 10C2 + 10C3 + - - +10C10
, number = 1023
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There are ten bulbs in a hall. Each one of them can be switched on ind...
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There are ten bulbs in a hall. Each one of them can be switched on independently. The number of ways of illuminating the hall isa) 102 b) 1023 c) 210 d) 10! Correct answer is option 'B'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about There are ten bulbs in a hall. Each one of them can be switched on independently. The number of ways of illuminating the hall isa) 102 b) 1023 c) 210 d) 10! Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for There are ten bulbs in a hall. Each one of them can be switched on independently. The number of ways of illuminating the hall isa) 102 b) 1023 c) 210 d) 10! Correct answer is option 'B'. Can you explain this answer?.
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