1
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.
2
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 ________.
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?
GATE ECE Subjects
Browse all chapters by subject
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
Communications
Electromagnetics
General Aptitude