Request KK LEE Mathematics Booklet solutions

I will try to write and post more solutions at my website. Please let me know which questions are hard, and unsolvable.

    Only for KK LEE students

    Prove that you are KK LEE students.
    This is a required question
    This is a required question

    Let me know which questions are hard

    Please give full details on the questions that you want me to write the full solutions.
    This is a required question