GATE 2026 ST – Question 10

General Aptitude · Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation · 2 marks · Multiple choice

A fair die marked 1–6 is rolled twice. Find the probability the second number is an integer multiple of the first.

1/6
5/18
7/18
5/6

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Show answer and explanation

Correct answer: (C) 7/18

Explanation

For first numbers 1,2,3,4,5,6 the allowed second numbers count 6,3,2,1,1,1. There are 14 favorable ordered pairs among 36 equally likely pairs. Probability=14/36=**7/18, C**.

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