Reasoning

Riya is 7th from top in a class of 29. Rank from bottom?

Riya is 16th from top in a class of 25. Rank from bottom?

Riya is 12th from top in a class of 22. Rank from bottom?

Riya is 8th from top in a class of 18. Rank from bottom?

Riya is 16th from top in a class of 24. Rank from bottom?

Riya is 24th from top in a class of 24. Rank from bottom?

Riya is 20th from top in a class of 25. Rank from bottom?

Riya is 13th from top in a class of 27. Rank from bottom?

Riya is 7th from top in a class of 22. Rank from bottom?

Riya is 14th from top in a class of 35. Rank from bottom?

Riya is 3th from top in a class of 14. Rank from bottom?

Riya is 4th from top in a class of 13. Rank from bottom?

Riya is 3th from top in a class of 22. Rank from bottom?

Riya is 15th from top in a class of 25. Rank from bottom?

Riya is 13th from top in a class of 23. Rank from bottom?

Riya is 22th from top in a class of 23. Rank from bottom?

Riya is 11th from top in a class of 31. Rank from bottom?

Riya is 16th from top in a class of 28. Rank from bottom?

Riya is 4th from top in a class of 17. Rank from bottom?

Riya is 16th from top in a class of 18. Rank from bottom?

Riya is 22th from top in a class of 24. Rank from bottom?

Riya is 23th from top in a class of 33. Rank from bottom?

Riya is 16th from top in a class of 33. Rank from bottom?

Riya is 20th from top in a class of 24. Rank from bottom?

Riya is 14th from top in a class of 18. Rank from bottom?