A college starts from 10 AM continues till 1:30 PM. In this duration there are five periods. If 5 minutes are provided before each period to leave the room and enter the other, then what is the duration of each period? Choose the correct choice from the following
A) 38 min B) 41 min C) 40 min D) 42 min E) 52 min
before first period no need to leave the room and enter the room.   so,for 5 periods 4 times 5 minutes break will be provided. that is 20 mins.   10 A.M-1:30 P.M=210mins    210-20= 
<gadget id="calculator"> 210-20</gadget>
<output>190</output>
190   therefore  190/5= 
<gadget id="calculator"> 190/5</gadget>
<output>38</output>
38 mins.   38 minNSWER:38 min
<result>A</result>
A college starts from 10 AM continues till 1:30 PM. In this duration there are five periods. If 5 minutes are provided before each period to leave the room and enter the other, then what is the duration of each period?