2 7
S T _ D _ N T S .
T H _
N _ M B _ R
_ F
B _ Y S
M _ S T
B _
_
M _ L T _ P L _ S
_ F
3
( 3 ,
6 ,
9 ,
1 2 ,
. . . )
S _
T H _ T
_ T
C _ N
B _
S P L _ T
_ N
T H _
R _ T _ _
_ F
2 : 1
( N _
W _ T C H : W _ T C H ) .
T H _
N _ M B _ R
_ F
G _ R L S
_ S
D _ _ B L _
T H _
N _ M B _ R
_ F
B _ Y S
-
6 ,
1 2 ,
1 8 ,
2 4 ,
_ T C .
S _
T H _
T _ T _ L
N _ M B _ R
_ F
S T _ D _ N T S
C _ N
_ N L Y
B _
9 ,
1 8 ,
2 7 ,
3 6 ,
_ T C Clue
THE CODE IS 042. BASED ON CLUE #1 AND #2, WE CAN SAY THAT 6 IS NOT THE CORRECT NUMBER. NOW WE KNOW THAT THE UNLOCK CODE DOES NOT CONTAIN 6 AND BASED ON CLUE #3, WE KNOW THAT 2 AND 0 ARE CORRECT NUMBERS BUT IN THE WRONG POSITION. FROM CLUE #1, 2'S POSITION SHOULD BE ON THE RIGHT. THE CODE IS ??2. BASED ON CLUE #5, 0'S POSITION SHOULD BE ON THE LEFT. THE CODE IS 0?2. WE HAVE TO FIND THE MISSING NUMBER IN THE MIDDLE POSITION. BASED ON CLUE #2, THE MIDDLE NUMBER HAS TO BE 4. IT CANNOT BE 1, AS THE STATEMENT SAYS THAT THE NUMBER IS WRONGLY PLACED THE STUDENT IS DOUBLE COUNTING A LOT OF THE DAYS. A LOT OF THE TIME SPENT SLEEPING, EATING, AND RELAXING OCCURS DURING WEEKENDS AND THE SUMMER. WEEKENDS ALSO OCCUR DURING THE SUMMER, SO ALL OF THESE HOURS ARE GETTING COUNTED SEVERAL TIMES. AND, SCHOOL IS NOT AN ALL DAY AFFAIR. SO THE 4 DAYS ACTUALLY REPRESENTS MORE DAYS OF SCHOOL. IF SCHOOL IS 6 HOURS PER DAY, THOSE FOUR DAYS REPRESENTS 16 DAYS OF SCHOOL THERE ARE 19 KIDS IN THE CLASS. TOTAL NUMBER OF BOYS IN THE CLASS = BOYS WHO WEAR BLUE SHIRTS + BOYS WHO DO NOT WEAR BLUE SHIRTS. THERE ARE 3 BOYS (8 WEAR BLUE - 5 GIRLS WEARING BLUE) WHO WEAR BLUE SHIRTS. THERE ARE 2 BOYS WHO DO NOT WEAR A BLUE SHIRT. THEREFORE, THERE ARE 5 BOYS IN THE CLASS. IN TOTAL, THERE ARE 14 GIRLS + 5 BOYS IN THE CLASS 27 STUDENTS. THE NUMBER OF BOYS MUST BE A MULTIPLES OF 3 (3, 6, 9, 12, ...) SO THAT IT CAN BE SPLIT IN THE RATIO OF 2:1 (NO WATCH:WATCH). THE NUMBER OF GIRLS IS DOUBLE THE NUMBER OF BOYS - 6, 12, 18, 24, ETC. SO THE TOTAL NUMBER OF STUDENTS CAN ONLY BE 9, 18, 27, 36, ETC