Question

If A = {1, 3, 5, 7), B = {2,3,5,7), then B - A is
a) {1}
b) {2}
d) {1, 2}
c) {3, 5, 7}
​

Answer 1

Answer:

{2} is the answer for your question

Answer 2

a option is the right answer

a is 1 ,3,5,7 and b is 2,3,5,7

so 3,5,7 will get cancel and than 2 -1