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Q 2433401342.     A class starts at 11:00 am and lasts till 2:27 pm. Four periods of equal duration are held during this interval.
After every period, a rest of 5 minutes is given to the students. The exact duration of each period is:
IAS 2016 Prelims
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)