Lemma
MediumAverages
AQuA-RAT train #2813 · Arithmetic · Averages

In a class, there are 20 boys whose average age is decreased…

In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 20 years replaced by a new boy. The age of the new boy is?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #2813

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