Light glows for every 32 seconds . How many max. times did it glow between 1:57:58 and 3:20:47 am.  Choose the correct choice from the following:
A) 180 times
B) 381 times
C) 155 times
D) 392 times
E) 150 times
Time difference is 1hr,22min,49sec=4969sec. So, light glows floor(4969/32)=15582 times.   ANSWER:155 times
<result>C</result>
Light glows for every 32 seconds . How many max. times did it glow between 1:57:58 and 3:20:47 am.