Howmany teachers teach Physics?
I. There are 11 teachers who teach Mathematics or Physics
II. Of these 11 teachers 7 teach Mathematics and 3 teach both Mathematics and Physics

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.