Multiple choice

Directions: The question below is followed by three statements I, II and III. Read all the statements carefully and find out which of the given statements is/are sufficient to answer the question. Choose the correct alternative.

Four subjects: Physics, Chemistry, Mathematics and Biology, were taught in four consecutive periods of one hour each, starting from 9:00 a.m. At what time was the Chemistry period scheduled? Statements: I. Mathematics period ended at 11:00 a.m, which was preceded by Biology. II. Physics was scheduled in the last period. III. Mathematics period was immediately followed by Chemistry.

  1. Only I

  2. Either I only or II only

  3. Only II

  4. Only II and III

  5. Only either I and II, or I and III
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

From I and II, Mathematics period began at 10:00 a.m. Biology period began at 9:00 a.m. and Physics period began at 12:00 p.m. Chemistry period began at 11:00 a.m. From I and III, we conclude that Mathematics period ended at 11:00 a.m. and Chemistry period began at 11:00 a.m.

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