AQuA-RAT train #21515 · Arithmetic · Ratio & rate
A, B and C can do a piece of work in 7…
A, B and C can do a piece of work in 7 days, 21 days and 28 days respectively. How long will they taken, if all the three work together?
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 #21515
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.