How can i get to know that the above answer sheet for 2019-20 is of the Set A or set B?
Hello varsha !!
here is the link for IMO answer key 2019,helps you to get an idea about pattern,and also download links for key sheets also provided for which class you want so just go through it.Hope this would help you a little bit.
you can get all the answer key from class 5 upto class 10. You didn't mentioned for which class you want.
Here is the link from where you can download the answers:- https://school.careers360.com/articles/imo-answer-key
for the exam you gave this month, you will get the answer key by the end of december for set A and B.
You can get your results by january.
Hope it helps!