There are 10 lamps in a hall. Each one of them can be switched on independently. How many no. Of ways in which the hall can be illuminated ?

Asked by Kumar Upendra Akshay 01/02/2015 Last Modified 07/10/2025

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There are 10 lamps in a hall. Each one of them can be switched on independently. How many no. Of ways in which the hall can be illuminated ?

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