Three sets of 80, 50 and 60 students appeared for an examination…

Three sets of 80, 50 and 60 students appeared for an examination and the pass percentage was 100, 90 and 50 respectively. the pass percentage of the whole set is

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #27535