Question

If x = {1, 2, 3, 4, 5, 6, 7), then the number of proper subsets of x, containing 7, is
(A) 60
(B) 61
(C) 62
(D) 63


please give answer from options only. one of these contains the correct answer​

Answer 1

Answer:

Sorry, I don't understand your question

Answer 2

Answer:

Answer is A (actually I didn't understood the question just made a guess)