The correct option is A 725
The decimal expansion of 14 is 0.25 and the decimal expansion of 13 is 0.333...
Now comparing with the decimal expansion 0.25 and 0.333... with the options:
a) The decimal expansion of 18 is 0.125 which does not lie between 0.25 and 0.333.... .
b) The decimal expansion of 725 is 0.28, so it lies between 14 and 13 .
c) The decimal expansion of 15 is 0.2, which does not lie between 0.25 and 0.333.... .