Question No. 1-5 are based on a set of conditions. In answering some of the questions, it may be useful to draw a rough diagram. Choose the response that most accurately and completely answers each question.

A BPO has assigned duty to nine operators -Aman, Baldev, Chandu, Dushyant, Elina, Foram, Golu, Heshav and Ishwar – on Monday, January 05, 2009 from 00:00 hours. Each operator commences duty at any of the following hour: 00:00 hrs, 04:00 hrs, 08:00 hrs, 12:00 hrs, 16:00 hrs and 20:00 hrs. At any point in time, at least one operator is required, to take clients’ calls. Each operator works continuously for eight hours. All operators located at any single location start work simultaneously. The operators took training in five different colleges – Abhimanyu College, Saurav College, GEC College, BITS College and Karna College. These colleges are located in the cities Ahmedabad, Mumbai, Delhi, Jaipur and Bangalore, not necessarily in that order. The operators operate from the cities where their respective colleges are located.

Ishwar operates alone from a city other than Bangalore and Ahmedabad. Operator(s) trained in Abhimanyu College will start working at 12:00 hrs. Only Dushyant and Foram operate from Mumbai, but they are not trained in GEC College. Three of the operators took training from Saurav College, and they operate from Delhi. The operator(s) from Ahmedabad will start working at 0:00 hrs. Aman and Heshav operate together as a two member team from a single location. They do not operate from Bangalore. No operator(s) will join at 20:00 hrs. Baldev, who alone operates from his location, was not trained in BITS College, and will commence his duty four hours after the operator(s) trained in GEC College. The operator(s) trained in BITS College operate from Jaipur. The number of operator(s) trained in Karna College is same as the number of operator(s) trained in BITS College.

Question 1 : Which of the following statements must be true for the operator(s) trained in GEC College?
A. They are Aman and Heshav, and work from Ahmedabad.
B. They are Dushyant and Foram, and work from Mumbai.
C. She is Elina, and works from Banglore.
D. She is Ishwar, and works from Mumbai.
E. They are Chandu and Golu, and work from Ahmedabad.

Question 2 : Which of the following statements must be true?
A. Dushyant and Heshav took training from Karna College
B. Ishwar took training from BITS College
C. Dushyant and Foram took training from BITS College
D. Ishwar took training from Ahimanyu College
E. Baldev took training from Abhimanyu College

Question 3 : Which of the following can be true for the operators operating from 20:00 hrs (of January 05, 2009) to 00:00 hrs (of January 06, 2009)?
A. Operators took training from Karna College and operate from Banglore
B. Operators took training from BITS College and operate from Mumbai.
C. Operators took training from Saurav College and operate from Delhi.
D. Operators took training from GEC College and operate from Banglore.
E. Operators took training from Abhimanyu College and operate from Mumbai.

Question 4 : If five operators are working between 16:00 hrs and 20:00 hrs, which of the following must be true?
A. The only operator working between 8:00 hrs and 12:00 hrs is Baldev.
B. The operators working between 12:00 hrs and 16:00 hrs are Baldev, Dushyant and Foram.
C. The operators working between 12:00 hrs and 16:00 hrs are Dushyant, Heshav and Foram.
D. The operators working between 16:00 hrs and 20:00 hrs are Ishwar, Dushyant, Foram, Chandu and Golu.
E. The operators working between 20:00 hrs and 0:00 hrs are Chandu, Golu and Elina.

Question 5 :  Which of the following is not definitely true?
A. At least three operators will be working between 04:00 hrs to 08:00 hrs.
B. At most five operators will be working between 04:00 hrs to 08:00 hrs.
C. At most five operators will be working between 12:00 hrs to 16:00 hrs.
D. At most six operators will be working between 16:00 hrs to 20:00 hrs.
E. At least three operators will be working between 16:00 hrs to 20:00 hrs.

Answers and Explanations

Solution: For questions 1 to 5: Steps: Both tables are worked out simultaneously.

As per the information given in the question, the following data can be concluded:

Also, no operator joined at 20 : 00 hrs.

Answer 1 : (A)

Answer 2 : (B)

Answer 3 : (C)

Answer 4 : (E)

Answer 5 : (B)

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