Pat's watch gains an extra 10 seconds every 4 hours. Kim's watch loses 5 seconds every 4 hours. If both watches are set to correct time at 8 o'clock in the morning and run without interruption, after 24 hours, what will be the difference in time between Pat's watch and Kim's watch?	Options: A) 5 min 30 sec B) 4 min 30 sec C) 3 min 30 sec D) 2 min 30 sec E) 1 min 30 sec
In 24 hours Pat's watch will gain an extra   24/4*10= 
<gadget id="calculator">  24/4*10</gadget>
<output>60</output>
60 seconds.   In 24 hours Kim's watch will lose   24/4*5= 
<gadget id="calculator">  24/4*5</gadget>
<output>30</output>
30 seconds.   Hence the difference will be   60 + 30= 
<gadget id="calculator">  60 + 30</gadget>
<output>90</output>
90 seconds.   Answer: 1 min 30 sec.
<result>E</result>
Pat's watch gains an extra 10 seconds every 4 hours. Kim's watch loses 5 seconds every 4 hours. If both watches are set to correct time at 8 o'clock in the morning and run without interruption, after 24 hours, what will be the difference in time between Pat's watch and Kim's watch?