Question

how many are in B or C

Answer 1

I think 45. I am wrong?

Answer 2

In B = 34
In C = 26

Answer 3

so?

Answer 4

this are the answers
45

8

49

52

Answer 5

25 in B
15 in C
5 in B and C
3 in A and C
1 in B and A
3 in A, B, and C

Answer 6

The answer is 8

Answer 7

Or is not exclusive, so every element that is in B or is in C should be counted. That includes ones that are in A if they are also in at least one of B or C.

Answer 8

Hadeeeuh, kan yang ditanya berapa yang masuk B atau C. Jawabannya ya 8 lah :-)

Answer 9

The answer you are looking for is 52. The list I made above shows the groups of elements that are included in subset B, subset C, or both. Summing those groups up, you get 52.

Answer 10

ah ah Chris.. you're right!! i forgotten. that's "or" not "and"
ahaha すみません