Australia scored a total of X runs in 50 overs. India tied the scores in 20% less overs. If India's average run rate had been 33.33% higher the scores would have been tied 10 overs earlier. Find how many runs were scored by Australia?

Explanation:-

Since,
Run scored = Over *Run rate
If overs is reduced by 25%, run rate will go up by 33.33%. Hence, Australia could have scored any number of runs.