Pine is to Tree as Rose is to ?

A. FLOWER

Identify the odd letter group from the following:

A. MNO

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

D. U

If P is the daughter of Q and Q is the sister of R, what is P's relation to R?

A. NIECE

Complete the series: 7, 14, 28, 56, ?, 224

A. 112