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CBSE Notes 2011-2012

A class starts at 10 a.m. and lasts at 1 : 27 p.m. Four periods are held during this interval. After...

Multiple choice question

A class starts at 10 a.m. and lasts at 1 : 27 p.m.
Four periods are held during this interval. After every period, 5 minutes are given free to the students and last period is over exactly at
1 : 27 p.m. The exact duration of each period is

unknown

49 minutes

unknown

48 minutes

unknown

50 minutes

unknown

52 minutes