In how many years Rs 200 will produce the same interest at…

In how many years Rs 200 will produce the same interest at 10% as Rs. 400 produce in 5 years at 12%

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 #12319