Verified Answer :

55=25 dim to illuminated
25
5=125 illuminated to radiant
125*5= 625 radiant to dazzling

easy

dim=1
illuminated (x5 of preivious)
radiant (x5 of previous)
dazzling (x5 of previous)

in total
1x5x5x5=125

125 times
b is answer