Light glows for every 17 seconds . How many times did it between 1:57:58 and 3:20:47 am  Choose the most appropriate option:
A) 291 B) 292 C) 293 D) 384 E) 285
the diff in sec between 1:57:58 and 3:20:47 is 4969 sec, 4969/17 = 292.   so total 293 times light ll glow   ANSWER:293
<result>C</result>
Light glows for every 17 seconds . How many times did it between 1:57:58 and 3:20:47 am