Question

1. a) If the number of proper subset of a set
is 63, then the number of elements of the
set is ……….. (1)
b) If
A x  x : is a letter in th d e wor " " MATHEMATICS 
and
B  y : y is a letter in the word "STATISTICS"
, then, find
i)
A B (ii)
A B

Answer 1

Answer:

I don't know the answer sorry