Question

Who among A, B, C, D and E teaches History?
Statements
Statement I: Each one of them teaches only one subject. B teaches Mathematics, while E teaches Science. A or C does not teach Geography. A or D does not teach English.
Statement II: C and E are teachers of English and Science respectively and A is the teacher of Mathematics.

• A. 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.
• B. 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.
• C. If the data either in statement I alone or in statement II alone are sufficient to answer the question.
• D. If the data even in both statements I and II together are not sufficient to answer the question.
• E. If the data in both statements I and II together are necessary to answer the question.

Answer 1

Answer: (A)

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 statement I clearly reflects all information as each teach only one subject.

B-------------- Maths

E---------------Science

C--------------English( as not geography)

D--------------Geography(as not English)

so the remaining is A as neither teach English nor Geography ,so A teach History.

Thus Statement I is sufficient to answer the question in comparison to Statement II.

Hence option A is correct.