2. When the answers to the following calculations are put in order from smallest to largest, which will be in the middle?
A $1+23456$
B $12+3456$
C $123+456$
D $1234+56$
E $12345+6$
Solution
B

The answers are $23457,3468,579,1290$ and 12351 respectively, so in ascending order the middle one is $\mathrm{B}$.