Question 170277
1.  All 5 girls are older than 10 but younger than 20.
2.  Karen i solder than Angela but younger than Janet.
3.  Janet's age is halfway between Tamara's age and Angela's age.
4.  The ages of all the girls except Janet are even numbers.
5.  Susan is neither the oldest nor the youngest.
6.  Karen is as much older than Angela as Tamara is older than Susan.
7.  No two girls are the same age.
10>A,K,J,S,T<20
A MUST BE 12 OR GREATER.
T MUST BE 18 OR LESS.
(T-K)/2=J [J MUST BE ODD, T&K ARE EVEN THUS (T-K=6), 18-12=6]
A+X=K X [MUST BE 2 & BOTH ARE EVEN NUMBERS]
S+X=T [DITTO]
Angela=12 \
Karen=14   \
Janet=15    > ANS.
Susan=16   /
Tamara=18 /