AQuA-RAT train #12214 · Arithmetic · Averages
The average age of a group of person going for picnic is…
The average age of a group of person going for picnic is 16 years. Twenty new persons with an average age of 15 years join the group on the spot due to which their average becomes 15.5 years. Find the number of persons initially going for picnic.
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #12214
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.