Number Systems

Step 1: Convert Hexadecimal to Binary.
Each hexadecimal digit corresponds to a 4-bit binary equivalent. Convert ABCD to binary: A = , B = , C = , D = . Combining these gives .
Step 2: Conclusion.
The correct answer is (A), .

Given that are in A.P., we use the property of arithmetic progression: Rearranging the equation: Cross multiplying and simplifying: Thus, the correct answer is .