Are some books chocolates?
Statements I. All books are ducks.
Statements II. All ducks are chocolates.

Options

A. if only statement I is sufficient to answer the question but statement II is not,
B. If only statement II is sufficient to answer the question but statement I is not,
C. if both statements I and II are together sufficient to answer the questions although neither statement suffices by itself,
D. if statement I and statement II are sufficient to answer the questions independently and separately,

Answer

C

Explanation

Since A + A = A, we can get a conclusion "All books are chocolates" This automatically implies that Some books are chocolates.