Open In App

GATE | GATE-CS-2015 (Set 3) | Question 63

Like Article
Like
Save
Share
Report

Language L1 is polynomial time reducible to language L2. Language L3 is polynomial time reducible to L2, which in turn is polynomial time reducible to language L4. Which of the following is/are True?

I. If L4 ∈ P, L2 ∈ P
II. If L1 ∈ P or L3 ∈ P, then L2 ∈ P
III. L1 ∈ P, if and only if L3 ∈ P
IV. If L4 ∈ P, then L1 ∈ P and L3 ∈ P 

(A) II only
(B) III only
(C) I and IV only
(D) I only


Answer: (C)

Explanation: Refer https://www.geeksforgeeks.org/np-completeness-set-1/

Quiz of this Question


Last Updated : 28 Jun, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads