Lemma
MediumRatio & rate
AQuA-RAT train #4434 · Arithmetic · Ratio & rate

Mangala completes a piece of work in 10 days, Raju completes the…

Mangala completes a piece of work in 10 days, Raju completes the same work in 40 days. If both of them work together, then the number of days required to complete the work is?

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

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #4434

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