By investing in 16 % stock at 64, one earns Rs

By investing in 16 % stock at 64, one earns Rs. 1500. The investment made is:

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #24514