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Answer is C.

MVI A 30H                      // Move 30H into the accumulator

Accumulator contains 0011 0000

ACI 30 H                        //Add 30H to the contents of accumulator

Accumulator contains 0110 0000

XRA A                           //XOR with Accumulator

Accumulator contents becomes 0000 0000

POP                              // top of the stack will be copied to H register. It do not affect the contents of Accumulator

Finally the Contents of the Accumulator are 0000 0000 I.e. 00H

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