Lemma
MediumRatio, proportion & variation
AQuA-RAT train #40679 · Algebra · Ratio, proportion & variation

If the sum of n terms of two series in A.P

If the sum of n terms of two series in A.P. are in the ratio (5n + 4) : (9n + 6) then find the ratio of their 13th terms.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #40679

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