Brishti went on an 8-hour trip in a car. Before the trip, the car had travelled a total of x x x km till then, where x x x is a whole number and is pa...
Question
Brishti went on an 8-hour trip in a car. Before the trip, the car had travelled a total of
km till then, where
is a whole number and is palindromic (i.e.,
remains unchanged when its digits are reversed). At the end of the trip, the car had travelled a total of 26862 km till then, this number again being palindromic. If Brishti never drove at more than 110 km/h, then the greatest possible average speed at which she drove during the trip, in km/h, was: