Find the missing letter in the series: b, d, f, h, ?

A. J

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

If X + Y means X is the uncle of Y, X - Y means X is the aunt of Y, and X × Y means X is the cousin of Y, what is the relationship of Z to W if Z - W and W + Z are true?

A. Z IS W'S AUNT

In the sequence 2, 4, 6, 8, 10, 12, how many even numbers are there?

B. 6

All squares are rectangles. Is this statement true or false?

A. TRUE