In an examination, a student scores 4 marks for every correct answer…

In an examination, a student scores 4 marks for every correct answer and loses 1mark for every wrong answer. If he attempts all 200 questions and secures 240 marks, the number of questions he attempts incorrectly, is:

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #32176