GATE CSE 2026 Paper 2 — page 4

Questions 10–12 of 65. Imported answers require review unless explicitly marked reviewed.

An unbiased six-faced dice whose faces are marked with numbers 1, 2, 3, 4, 5, and 6 is rolled twice in succession and the number on the top face is recorded each time. The probability that the sum of the two recorded numbers is a prime number is ________

Your answerChoose one option.

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For two different persons

and

, the predicate

denotes that x knows y. Consider the following statement.

There is a person who does not know anyone else, but that person is known by everyone else.

Which one of the following expressions represents the above statement?

Your answerChoose one option.

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The set T represents various traversals over binary tree. The set S represents the order of visiting nodes during a traversal.

T | S I: Inorder | L: left subtree, node, right subtree II: Preorder | M: node, left subtree, right subtree III: Postorder | N: left subtree, right subtree, node

Which one of the following is the correct match from T to S?

Your answerChoose one option.

I – L, II – M, III – N

I – M, II – L, III – N

I – N, II – M, III – L

I – L, II – N, III – M

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2026 · Paper 2

Question 10

Question 11

Question 12