Correct Answer - Option 3 : Mathematics
Five subjects viz., Economics, History, Statistics, English and mathematics
Week: Monday to Friday.
i) Only one lecture can be arranged on each day.
ii) Economics cannot be scheduled on Tuesday.
iii) Guest faculty for history is available only on Tuesday.
Days
|
Subject
|
Monday
|
|
Tuesday
|
History
|
Wednesday
|
|
Thursday
|
|
Friday
|
|
iv) Mathematics lectures has to be scheduled immediately after the day of Economics lecture
v) English lecture has to be scheduled immediately before the day of Economics lecture.
This implies that Statistics lecture will be held on Monday.
Days
|
Subject
|
Monday
|
Statistics
|
Tuesday
|
History
|
Wednesday
|
English
|
Thursday
|
Economics
|
Friday
|
Mathematics
|
Hence, 'Mathematics' the correct answer