In a particular mathematical operation, before the normal mathematical operations are carried out, the digits are first changed as follows:
1, 2, 3 and 4 are changed to 6.
5, 6, 7 and 8 are changed to 4.
0 and 9 remain as 0 and 9 (no change).
The result obtained by solving the given problem is once again changed as per the above given rule to get the final answer. Rule of BODMAS is applicable.
Apply the above rules to problems and select the correct alternatives.