Question

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:

• A. 48 minutes
• B. 50 minutes
• C. 51 minutes
• D. 53 minutes

Answer 1

Answer:

A. 48 minutes

The time gap for class lasts 4x + 3*5= 2.27p.m.- 11 a.m. 4x +15 = 3 hr 27 minutes 4x = (207-15) min. 4x = 192 min. x = 48 min.