Respuesta :

Answer:

a. 168 comes before 169

b. 244 comes before 245

c. 247 comes before 248

d. 964 comes before 965

Just reduce the last digit number and go serially - 1,2,3,4,5,6,7,8,9

A: 168
B: 243
C: 247
D: 964
:)