Why some questions are absolutely wrong in "sololearn challenge"...?? and their answers too..

Answer 1

At least 70% of quizzes reported to be "wrong" was a misunderstanding. Without looking at the quiz, there's no proper response to this.

Answer 2

/*
Because the questions and answers are
reported to Sololearn and correct it.
Click to "View correct answers" if the
questions are changed.
*/

Answer 3

yeah !! i think too..