Puzzle Set 007 Answers



1. Straightforward
difference between 3pm and 6pm = 180
Let my current time in minutes from 6pm be x
Divide the 3 hours in this maner = 50 + 4x + 1x
50 + 4x + x = 180
5x=130
x = 26

2. The Logic is *2 and +7
10*2=20
20+7=27
27*2=54
54+7=61
61*2=122

3. Slightly confusing
The table clock is on time because after 1 hour wall clock lost 10 minutes and the table clock is 10 minutes ahead.
The alarm clock loses 5 minutes from real time so after 1 hour in alarm clock the real time is:
60 + 5*60/55 = 60 + 60/11 = 60*12/11
The wrist watch is 5 minutes ahead of alarm clock so its
60*12/11 - 65 minutes behind. = 5/11 minutes behind the real time.
So in 6 hours the wrist watch is 6*5/11 minutes behind.
To nearet minute, the wrist watch will show
5.57pm

4. None, he must have walked atleast 60 minutes.

5. Dont get confused
Answer is May 31st morning. Generally people get confused with May 30.


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