If A is the brother of B, and B is the sister of C, what is the relationship of C to A?

B. BROTHER

If X is the daughter of Y, and Y is the sister of Z, what is the relationship of Z to X?

A. UNCLE

What is the least common multiple (LCM) of 12 and 15?

A. 30
Posted in:  Numbers -  Arithmetic -  Mathematics

What is the next letter in the series: A, C, E, G, I, ?

B. J

Identify the missing letter in the series: Z, X, V, T, ?

A. R