A clock shows the time as 3:30 P.m. If the minute hand gains 2 minutes every hour, how many minutes will the clock gain by 2 a.m.?
Choices:
A) 23 Minutes
B) 21 Minutes
C) 25 Minutes
D) 26 Minutes
E) None of these
if the minute hand gains 2 minutes in 1 hour the from 3:30 p.m-4:00 p.m it gains 1 min   then from 4:00p.m-2:00 a.m =10*2= 
<gadget id="calculator">10*2</gadget>
<output>20</output>
20 total=21   ANSWER:21 Minutes
<result>B</result>
A clock shows the time as 3:30 P.m. If the minute hand gains 2 minutes every hour, how many minutes will the clock gain by 2 a.m.?