Reasoning

Riya is 7th from top in a class of 13. Rank from bottom?

Riya is 9th from top in a class of 17. Rank from bottom?

Riya is 6th from top in a class of 23. Rank from bottom?

Riya is 12th from top in a class of 27. Rank from bottom?

Riya is 16th from top in a class of 27. Rank from bottom?

Riya is 29th from top in a class of 32. Rank from bottom?

Riya is 7th from top in a class of 15. Rank from bottom?

Riya is 20th from top in a class of 33. Rank from bottom?

Riya is 16th from top in a class of 36. Rank from bottom?

Riya is 11th from top in a class of 12. Rank from bottom?

Riya is 19th from top in a class of 25. Rank from bottom?

Riya is 14th from top in a class of 14. Rank from bottom?

Riya is 2th from top in a class of 17. Rank from bottom?

Riya is 8th from top in a class of 12. Rank from bottom?

Riya is 3th from top in a class of 20. Rank from bottom?

Riya is 29th from top in a class of 30. Rank from bottom?

Riya is 25th from top in a class of 35. Rank from bottom?

Riya is 7th from top in a class of 35. Rank from bottom?

Riya is 10th from top in a class of 32. Rank from bottom?

Riya is 16th from top in a class of 22. Rank from bottom?

Riya is 4th from top in a class of 32. Rank from bottom?

Riya is 9th from top in a class of 19. Rank from bottom?

Riya is 26th from top in a class of 31. Rank from bottom?

Riya is 12th from top in a class of 19. Rank from bottom?

Riya is 20th from top in a class of 30. Rank from bottom?