Average number of books read by Ankur in 3 days (Monday, Tuesday, and Wednesday) is 20. On Monday he read 10 more books than that on Tuesday. On Wednesday he read 10 books less than that on Tuesday. Find the number of books read on each day.
1
30, 20 and 10
2
10, 20 and 40
3
20, 20 and 20
4
40, 10 and 10
5
15, 15 and 30