Central Board Of Secondary Education [CBSE] — Corrections in answer key for maths exam class 10th, code 030/2/4

There are a few corrections in the cbse official answer key for maths exam class 10, code - 030/2/4
Held on 4/12/2021
Q1 (correct answer 'b')
Q46 (correct answer 'a')
Q50 (correct answer 'b')
Please kindly look after these corrections and provide correct answer key for justice of checking. Otherwise, many other students like me who have worked hard for this examination and chose correct answer have to suffer from a injustice loss o[censored]pto 3 marks, which matter a lot for us!🙏