Each of eight students – Akash, Balu, Chakri, Diren, Ehsaan, Fatima, Giri and Hari – is of a different height. All of them are standing in a row, facing in the same direction, from left to right, in the increasing order of their heights, such that the shortest person is at the extreme left. Three of them are from 1st standard, three from 2nd standard and two from 3rd standard.

- Akash, the second tallest, is not from 1st standard and Balu, who is the fourth tallest, is from 2nd standard.
- Ehsaan is from 2nd standard but Chakri is not from 3rd standard.
- Hari is taller than Giri but shorter than Balu, while Diren is shorter than Akash.
- Chakri is shorter than Giri but taller than Fatima.
- Neither the shortest nor the second shortest student is from 1st standard.

**Q1. **Which two students from the same standard are adjacent to each other?

- Hari and Balu
- Balu and Giri
- Giri and Hari
- None of the above

**Q2. **Which of the following statements is definitely true?

- Each 2nd standard student is next to at least one 3rd standard student.
- Each 3rd standard student is next to at least one 2nd standard student.
- No two students of the same standard are adjacent to each other.
- All of the above

**Q3. **How many students belonging to either 1st standard or 2nd standard have an odd number of students standing on their left?

- 0
- 2
- 4
- None of the above

**Q4. **How many students are taller than Hari but are not from the same standard as him?

- 4
- 3
- 2
- 1