Lemma
MediumAverages
AQuA-RAT train #7909 · Arithmetic · Averages

The average age of an adult class is 40years

The average age of an adult class is 40years. 10 new students with an avg age of 32years join the class. Therefore decreasing the average by 4year. Find what was the original strength of class?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #7909

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