Questions No 1 to 4: Professor Nagarajan works only on Sundays, Mondays, Tuesdays, Thursdays and Fridays. She performs four different activities-lecturing, conducting quizzes, evaluating quizzes and working on consultancy projects. Each working day she performs exactly one activity in the morning and exactly one activity in the afternoon. During each week her work
Schedule MUST satisfy the following restrictions:
She conducts quizzes on exactly three mornings. If she conducts quizzes on Sunday, she does not conduct a quiz on Monday.
She lectures in the afternoon on exactly two consecutive calendar days.
She evaluates quizzes on exactly one morning and three afternoons.
She works on consultancy project on exactly one morning.
On Friday, she neither lectures nor conducts quizzes.

Question 1 :  Which one of the following statements must be true?
A. She works on consultancy project on one of the days on which she evaluates quizzes.
B. There is one day on which she evaluates quizzes both in the morning and in the afternoon.
C. She works on consultancy project on one of the days on which lecturers.
D. She lectures on one of the days on which she conducts quiz.
E. She lecturers on one of the days on which evaluates quizzes.

Question 2 : On Tuesdays, the Professor could be scheduled to
A. Conduct a quiz in the morning and lecture in the afternoon.
B.Evaluate quizzes in the morning and evaluate quizzes in the afternoons.
C. Work on a consultancy project in the morning and conduct a quiz in the afternoon.
D. Lecture in the morning and evaluate quizzes in the afternoon.
E. Conduct a quiz in the morning and work on consultancy project in the afternoon.

Question 3 :  Which one of the following must be a day on which Professor lectures?
A. Friday
B.sunday
C. Tuesday
D. Thursday
E. Monday

Question 4 : If the Professor conducts a quiz on Monday, then her schedule for evaluating quizzes could be
A.Tuesday morning, Tuesday afternoon, Thursday afternoon, Friday afternoon
B.Sunday morning, Sunday afternoon, Thursday morning, Thursday afternoon.
C. Sunday morning, Thursday afternoon, Friday morning, Friday afternoon
D. Sunday afternoon, Tuesday morning, Tuesday afternoon, Friday afternoon
E. Tuesday afternoon, Thursday afternoon, Friday morning, Friday afternoon

Answers and Explanations

Solution: 1 to 4: According to the information given in the question, the following table can be drawn.

Subscriptions M and A stand for morning and afternoon. Now, referring the above table, answers for the given questions are as follows.

Answer 1 : (E)

Refer the Monday column.

Answer 2 : (A)

Refer the product quiz and lecture rows.

Answer 3 : (E)

She must deliver lecture on Monday, otherwise the condition that “she lectures in the afternoon on exactly two consecutive calendar days” will not be satisfied.

Answer 4 : (E)

Want to explore more Logical Reasoning Sets?

Explore Our Logical Reasoning Sets