I F
T W _
W _ D _ W S
H _ D
_ _ C H
_
S _ N ,
_ N D
_ _ C H
W _ D _ W
M _ R R _ _ D
T H _
S _ N
_ F
T H _
_ T H _ R
_ N D
H _ D
_
D _ _ G H T _ R
B Y
T H _
M _ R R _ _ G _ ,
_ L L
T H _
R _ L _ T _ _ N S H _ P S
W _ L L
B _
F _ _ N D
T _
R _ S _ L T .
L _ T ' S
S _ Y
T H _
F _ R S T
W _ D _ W ,
W 1 ,
H _ S
_
S _ N ,
S 1 .
T H _
S _ C _ N D
W _ D _ W ,
W 2
H _ S
_
S _ N ,
S 2 .
W 1
M _ R R _ _ S
S 2
_ N D
H _ V _
_
D _ _ G H T _ R
D 1 .
W 2
M _ R R _ _ S
S 1
_ N D
H _ V _
_
D _ _ G H T _ R
D 2 .
S _
W _
H _ V _ :
2
G R _ N D M _ T H _ R S
( W 1 ,
W 2 )
W _ T H
T H _ _ R
2
G R _ N D D _ _ G H T _ R S
( D 2 ,
D 1 )
2
H _ S B _ N D S
( S 1 ,
S 2 )
W _ T H
T H _ _ R
2
W _ V _ S
( W 2 ,
W 1 )
2
F _ T H _ R S
( S 1 ,
S 2 )
W _ T H
T H _ _ R
2
D _ _ G H T _ R S
( D 2 ,
D 1 )
2
M _ T H _ R S
( W 1 , W 2 )
W _ T H
T H _ _ R
2
S _ N S
( S 1 , S 2 )
2
M _ _ D _ N S
( D 1 , D 2 )
W _ T H
T H _ _ R
2
M _ T H _ R S
( W 1 , W 2 )
2
S _ S T _ R S
( D 1 , D 2 )
W _ T H
T H _ _ R
2
( H _ L F )
B R _ T H _ R S
( S 1 , S 2 ) Clue
IF TWO WIDOWS HAD EACH A SON, AND EACH WIDOW MARRIED THE SON OF THE OTHER AND HAD A DAUGHTER BY THE MARRIAGE, ALL THE RELATIONSHIPS WILL BE FOUND TO RESULT. LET'S SAY THE FIRST WIDOW, W1, HAS A SON, S1. THE SECOND WIDOW, W2 HAS A SON, S2. W1 MARRIES S2 AND HAVE A DAUGHTER D1. W2 MARRIES S1 AND HAVE A DAUGHTER D2. SO WE HAVE: 2 GRANDMOTHERS (W1, W2) WITH THEIR 2 GRANDDAUGHTERS (D2, D1) 2 HUSBANDS (S1, S2) WITH THEIR 2 WIVES (W2, W1) 2 FATHERS (S1, S2) WITH THEIR 2 DAUGHTERS (D2, D1) 2 MOTHERS (W1,W2) WITH THEIR 2 SONS (S1,S2) 2 MAIDENS (D1,D2) WITH THEIR 2 MOTHERS (W1,W2) 2 SISTERS (D1,D2) WITH THEIR 2 (HALF) BROTHERS (S1,S2) THE DAUGHTER SHOULD PICK ENVELOPE 1. STATEMENTS 1 AND 2 ARE FALSE, AND THE ONLY TRUE STATEMENT IS STATEMENT 3. IF THE CHECK WAS IN ENVELOPE 1, THAT WOULD MAKE STATEMENT 1 AND STATEMENT 2 FALSE AND STATEMENT 3 WOULD BE THE ONLY TRUE STATEMENT. IF THE CHECK WAS IN ENVELOPE 2, BOTH STATEMENTS 1 AND 2 WOULD BE TRUE. IF THE CHECK WAS IN ENVELOPE 3, BOTH STATEMENTS 1 AND 3 WOULDBE TRUE THE TWO SONS GET ON THE BOAT AND ROW BACK TO SHORE. ONE JUMPS OUT AND THE OTHER ROWS BACK TO THE ISLAND AND GETS OUT. THE DAD GETS IN AND RIDES BACK TO SHORE WHERE HE JUMPS OUT AND THE OTHER SON GETS BACK IN. THE SON GOES BACK TO THE ISLAND, FETCHES THE OTHER SON AND TOGETHER THE TWO OF THEM ROW BACK TO THE SHORE IF THE GIRLS HAD BEEN ON A STANDING TRAIN, THE FIRST GIRL'S CALCULATIONS WOULD HAVE BEEN CORRECT, BUT THEIR TRAIN WAS MOVING. IT TOOK 5 MINUTES TO MEET A SECOND TRAIN, BUT THEN IT TOOK THE SECOND TRAIN 5 MORE MINUTES TO REACH WHERE THE GIRLS MET THE FIRST TRAIN. SO THE TIME BETWEEN TRAINS IS 10 MINUTES, NOT 5, AND ONLY 6 TRAINS PER HOUR ARRIVE IN THE CITY