what is answer for the question number 73 in jee main 2017 in set D. I marked it option 3. but in cbse they have given answer 4. many have challenged for option 3. what is the correct answer for that
what is answer for the question number 73 in jee main 2017 in set D. I marked it option 3. but in cbse they have given answer 4. many have challenged for option 3. what is the correct answer for that










