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Grade: 12th pass
        
out of 2n+1 students, n are to be awarded scholarship. number of ways in which at least one student ets scholarship is 63. find out how many students are recieving the scholarship.
3 years ago

Answers : (1)

Vikas TU
11143 Points
							
No. of ways for selecting atleast 1 is = > 2^n – 1
and 
2^n – 1 = 63 given.
n = 6
and it is also said that:
2n + 1= 6 
n = 2.5 cant be fractional therfore
it would 2 or 3.
3 years ago
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