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0 / 60 seg.
What is 1/2 of 1/4 of 2/9 of 3/7 of 84?
T
H
_
_
N
S
W
_
R
_
S
1
.
3
/
7
_
F
8
4
=
3
6
2
/
9
_
F
3
6
=
8
1
/
4
_
F
8
=
2
1
/
2
_
F
2
=
1
Clue
THE DIGITS 0 TO 9 ARE IN ALPHABETICAL ORDER
THE PROBABILITY IS 0.5. THE POSSIBILITIES ARE (GIRL, GIRL) AND (GIRL, BOY). SO THE PROBABILITY THAT BOTH CHILDREN ARE GIRLS IS 1/2 OR 0.5
BECAUSE THERE ARE MORE OF THEM!
THE ANSWER IS 1. 3/7 OF 84 = 36 2/9 OF 36 = 8 1/4 OF 8 = 2 1/2 OF 2 = 1
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