According to the given information,
Names of person: Girish, Ayush, Shruthi, Pritam, Sagar and Chandan
Total members: Six
Statement I: Neither Shruthi nor Pritam got the least marks. Sagar got more marks than Pritam and Chandan, but scored less marks than Ayush. Shruthi got more marks than Girish and Ayush, but Ayush did not score more than Girish.
1. Sagar got more marks than Pritam and Chandan, but scored less marks than Ayush.
Ayush > Sagar > Pritam/Chandan > Pritam/Chandan
2. Shruthi got more marks than Girish and Ayush, and Ayush did not score more than Girish.
Shruthi > Girish > Ayush > Sagar > Pritam/Chandan > Pritam/Chandan
3. Neither Shruthi nor Pritam got the least marks.
(Here, we can conclude Pritam will not the least marks)
Shruthi > Girish > Ayush > Sagar > Pritam > Chandan
So, Chandan got the least marks. The data in statement I alone is sufficient to answer the question.
Statement II: Ayush scored less than only two person. Pritam scored less than Ayush and Sagar, but more than Chandan. Girish scored more than Ayush but less than Shruthi.
1. Ayush scored less than only two person.
_____ > _____ > Ayush > _____ > _____ > _____
2. Girish scored more than Ayush but less than Shruthi.
Shruthi > Girish > Ayush > _____ > _____ > _____
3. Pritam scored less than Ayush and Sagar, but more than Chandan.
Shruthi > Girish > Ayush > Sagar > Pritam > Chandan
Therefore, Chandan scored the least marks. The data in statement II alone is sufficient to answer the question.
So, The data in statement I alone is sufficient to answer the question.