Two observations were made of a clock at different time:
1st observation:
The hour hand is exactly at a minute mark and the minute hand is six minutes ahead of it.
2nd observation:
The hour hand is exactly on a dissimilar minute mark and the minute hand is seven minutes ahead of it.
Can you find out how much time has passed between the above two observations? Choose the correct choice:
A) 1 hours and 12 minutes
B) 3 hours and 12 minutes
C) 2 hours and 12 minutes
D) 4 hours and 12 minutes
E) 5 hours and 12 minutes
Solution:   The time at first observation:   1:12   The time at second observation:   3:24   Thus, two hours and twelve minutes have passed between the two observations.   Answer 2 hours and 12 minutes
<result>C</result>
Two observations were made of a clock at different time:
1st observation:
The hour hand is exactly at a minute mark and the minute hand is six minutes ahead of it.
2nd observation:
The hour hand is exactly on a dissimilar minute mark and the minute hand is seven minutes ahead of it.
Can you find out how much time has passed between the above two observations?