1

GATE ECE 2019

MCQ (Single Correct Answer)

+1

-0.33

Five different books (P, Q, R, S, T) are to be arranged on a shelf. The books R and S are to be arranged
first and second respectively from right side of the shelf. The number of different orders in which P, Q
and T may be arranged is ________.

2

GATE ECE 2019

MCQ (Single Correct Answer)

+1

-0.33

It would take one machine 4 hours to complete a production order and another machine 2 hours to
complete the same order. If both machine work simultaneously at their respective constant rates, the time
taken to complete the same order is _______ hours.

3

GATE ECE 2018

MCQ (Single Correct Answer)

+1

-0.33

If the number 715 ■ 423 is divisible by 3 (■ denotes the missing digit in the thousandths place), then the
smallest whole number in the place of ■ is _______.

4

GATE ECE 2018

MCQ (Single Correct Answer)

+1

-0.33

A 1.5 m tall person is standing at a distance of 3 m from a lamp post. The light from the lamp at the top
of the post casts her shadow. The length of the shadow is twice her height. What is the height of the lamp
post in meters?

Questions Asked from Numerical Ability (Marks 1)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE 2023 (3)
GATE ECE 2022 (6)
GATE ECE 2021 (2)
GATE ECE 2019 (2)
GATE ECE 2018 (3)
GATE ECE 2017 Set 1 (3)
GATE ECE 2017 Set 2 (3)
GATE ECE 2016 Set 2 (2)
GATE ECE 2016 Set 3 (2)
GATE ECE 2016 Set 1 (2)
GATE ECE 2015 Set 2 (1)
GATE ECE 2015 Set 3 (2)
GATE ECE 2015 Set 1 (2)
GATE ECE 2013 (1)
GATE ECE 2012 (1)
GATE ECE 2011 (1)
GATE ECE 2010 (1)

GATE ECE Subjects

Signals and Systems

Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics