Whatis the shortest distance between villages X and Y?
I. Village X is to the north of Village Z at a distance of 35 km
II. Village Y is at a distance of 20km from Z

A

if the statement I alone is sufficient to answerthe question.

B

if the statement II alone is sufficient to answerthe question.

C

if both the statements I and II are sufficient to answerthe question but neither statements aloneis sufficient.

D

if both the statements I and II together are not sufficient to answer the question and additional data is required.