Question

An individual's phone number contains seven digits, not including the area code, from the set A shown below.
A = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Set B represents the digits in Brent's phone number.
B = {5, 5, 5, 3, 0, 9, 9}

Set C represents the digits in Charlie's phone number.
C = {8, 6, 7, 5, 3, 0, 9}

How many even numbers are in the set ∼(B ∩ C)?

Answer 1

@nubeer

Answer 2

@daze , help

Answer 3

tell me what numbers set B and C have common?

Answer 4

5, 3, 0 & 9.

Answer 5

ok and how many of these numbers are even?

Answer 6

1

Answer 7

If you cound zero

Answer 8

yes. zero counts.

Answer 9

so only 1 ?

Answer 10

yes