The bankers discount and the true discount of a sum at 5%…

The bankers discount and the true discount of a sum at 5% per annum simple interest for the same time are Rs.60 and Rs.40 respectively. What is the sum and the time?

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 #64888