A class starts at 11.00 am and lasts till 2.27 pm. Four periods of equ – McqOptions

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1.	A class starts at 11.00 am and lasts till 2.27 pm. Four periods of equal duration are held during, a rest of 5 minutes is given to the students. The exact duration of each period is:
A.	42 minutes
B.	48 minutes
C.	51 minutes
D.	53 minutes
Answer» C. 51 minutes

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