Ravi alone can do a work in 25 dyas while Syam alone…

Ravi alone can do a work in 25 dyas while Syam alone can do it in 20 days. Ram started the work and joined by Syam after 10 days. How long did the work last?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #36624