Let A={x:x is a multiple of 3} and B={x:x is a multiple of 5} then A∩B is given by
If A = {x: x is a multiple of 3} and B = {x: x is a multiple of 5}, then A - B is
If A={x:x is a multiple of 3 } and B={x:x is a multiple of 5 } , then A−B is