Is there any chance that there is a wrong answer in Official answer key of JEE ADCANCED 2019??
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Hello Lokinder.
For your kind information let me tell you that those who are giving official answer keys are very very educated professionals.
Chances of error by them are negligible. Only one person doesn't give direct answer keys it get passed through many professors.
Though human error can be happen any time yet it never happened in case of answer keys though sometimes some questions can be wrong.
Ok hope it helps you.
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