There is lot of difference in official and resonance jee advanced answer key?i think official key has many mistakes
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Hii,
If there occurs difference betweeen the answer keys till now , then wait for the final answer keys to be released after the challenges of options are complete and then IIT Roorkee will release the final answer key .
So wait for the final answer key and also best of luck for the results @14 June 2019
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