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AQuA-RAT train #30432 · Algebra · Algebra word problems

In an electric circuit, three resistors with resistances 2 ohms, 5 ohms…

In an electric circuit, three resistors with resistances 2 ohms, 5 ohms and 6 ohms are connected in parallel. In this case, if R is the combined resistance of these three resistors, then the reciprocal of R is equal to the sum of the reciprocals resistors. What is R value?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #30432

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