Question

If number of proper subsets of a set is 63, then the number of elements in the set is .........​

Answer 1

Answer :

8

Explanation :

Number of proper subsets = 2 power n-1

63=2 power n- 1

64=2 power n

n=√64=8

.....hope it helps you.....................

Answer 2

Step-by-step explanation:

Ans =6

No. of proper subset = (2^n) -1