Lemma
MediumRatio, proportion & variation
AQuA-RAT train #19473 · Algebra · Ratio, proportion & variation

Present ages of X and Y are in the ratio 4:5 respectively

Present ages of X and Y are in the ratio 4:5 respectively. 6 years hence this ratio will become 5:6 respectively. What is X's present age in years?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #19473

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