1. Let a, b, c be distinct digits. Consider a two digit number $$'ab'$$ and a three digit number $$'ccb'$$, both defined under the usual decimal number system. If ($$ab^{2} = ccb$$) and $$ccb > 300$$ then the value of b is
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Conditions :
(i) If the first digit is odd and the last digit is even, the codes for the first and last digits are to be interchanged.
(ii) If both the first and the last digits are even, both are to be coded as *.
(iii) If both the first and the last digits are odd, both are to be coded as $.215349