Is it 9 o’ clock now ?
I.After half an hour the minute and the hour hands of the clock will make an angle of exactly 90 with each other
II.Exactly 15 minutes ago the hour and the minute hands of the clock coincided with each other

If the data in statement I alone are sufficient to answer the question while the data in statement II alone are not sufficient to answer the question.

If the data in statement II alone are sufficient to answer the question while the data in statement I alone are not sufficient to answer the question.

If the data either in statement I alone or in statement II alone are sufficient to answer the question.

If the data even in both statements I and II together are not sufficient to answer the question.

If the data in both statements I and II together are necessary to answer the question.