Amol was asked to calculate Arithmetic mean of 10 positive integers, each…

Amol was asked to calculate Arithmetic mean of 10 positive integers, each of which had 2 digits. By mistake, he interchanged the 2 digits, say a and b,in one of these 10 integers. As a result, his answer for the Arithmetic mean was 1.8 more than what it should have been. Then b - a equals

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #46767