GATE-ES SERIES
Engineering-mathematics

Probability

3 previous year questions.

Volume: 3 Ques
Yield: Medium

High-Yield Trend

2
2025
1
2021

Chapter Questions
3 MCQs

01
PYQ 2021
medium
engineering-mathematics ID: gate-es-
A biased die has six faces numbered as . On rolling the die, the probability of the number appearing is proportional to . What is the probability that an even number will appear on rolling the die?
1

2

3

4

02
PYQ 2025
medium
engineering-mathematics ID: gate-es-

A residential family is considering two cities for relocation. The data related to pollutant exposure and associated health cost per year are given in the following figure.

The pollutant exposure is characterized in high, mild and low exposure categories with respective probability values. The difference in expected value of health cost of City1 with respect to that of City 2 is ________ lakhs/year. (rounded off to two decimal places).

03
PYQ 2025
medium
engineering-mathematics ID: gate-es-

A residential family is considering two cities for relocation. The data related to pollutant exposure and associated health cost per year are given in the following figure.

The pollutant exposure is characterized in high, mild and low exposure categories with respective probability values. The difference in expected value of health cost of City1 with respect to that of City 2 is ________ lakhs/year. (rounded off to two decimal places).