# PTEL Artificial Intelligence : Search Methods For Problem Solving Week 2 Assignment Answer 2023

## NPTEL Artificial Intelligence : Search Methods For Problem Solving Week 2 Assignment Answer 2023

### (State Space Example)

1. What information is available in Week 2 notes (bunch of PDFs) published in the course page?

• About node order and tie breaker
• How to model a problem as a state space search problem
• Some properties of state spaces
• DFS, BFS, DBDFS algorithms and ancillary functions
• DFID-N, DFID-C algorithms and ancillary functions
• Examples of list and tuple operations
• Solved lecture examples
• Solutions to practice assignment problems
• Some problems to demonstrate node order
`Answer :- Click Here`

2. Which of the following states satisfy the capacity constraints of the 12-8-5 water jug puzzle?

• (5, 6, 1)
• (0, 6, 6)
• (4, 4, 4)
• (8, 2, 2)
`Answer :- Click Here`

3. From the state (7, 0, 5), which of the following states can we reach in one or more moves?

• (3, 4, 5)
• (4, 3, 5)
• (4, 4, 4)
• (5, 4, 3)
`Answer :- Click Here`

4. The water-jug state space in the practice assignment _____ .

• is the full state space for the 12-8-5 water-jug puzzle
• is the subspace reachable from the state (12,0,0)
• satisfies the “reversible state space” property
• does not satisfy the “reversible state space” property
`Answer :- Click Here`

5. In the water-jug state space covered in the practice assignment _______ .

• from the state (12,0,0) there is a unique path to every other state
• for every pair of distinct states X and Y, there is a path from X to Y
• for every pair of distinct states X and Y, if there is a path from X to Y and if there is a path from Y to X then both these paths are of the same length
• for every state X, MoveGen(X) will return exactly four neighbours
• for every state X, MoveGen(X) will return at most four neighbours
`Answer :- Click Here`

6. Given the following start states, from which of these start states can we reach (7, 0, 5) in one or more moves?

• (3, 4, 5)
• (4, 3, 5)
• (4, 4, 4)
• (5, 4, 3)
`Answer :- Click Here`

7. From the state (12,0,0) the least number of moves required to reach (6,6,0) is __________ .

Enter an integer.
DO NOT ENTER SPACES, TABS, DOTS, BRACKETS OR EXTRANEOUS CHARACTERS.

`Answer :- Click Here`

8. From the state (12,0,0) the least number of moves required to reach (3,4,5) is _ _______.

Enter an integer.
DO NOT ENTER SPACES, TABS, DOTS, BRACKETS OR EXTRANEOUS CHARACTERS.

`Answer :- Click Here`

9. From the state (3,4,5) the least number of moves required to reach (12,0,0) is _________ .

Enter an integer.
DO NOT ENTER SPACES, TABS, DOTS, BRACKETS OR EXTRANEOUS CHARACTERS.

`Answer :- Click Here`

10. In the 12-8-5 water jug puzzle, is it possible to measure integral volumes 1L, 2L, 3L, …, 12L, where the volume measured must be present in a single jug?

• Yes
• No
• Cannot be determined
`Answer :- Click Here`