If C.P

If C.P. of 25 books is equal to S.P of 30 books , then your gain or loss 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 #39710