1
GATE ECE 2018
MCQ (Single Correct Answer)
+2
-0.67
Two alloys A and B contain gold and copper in the ratios of 2 : 3 and 3 : 7 by mass, respectively. Equal
masses of alloys A and B are melted to make an alloy C. The ratio of gold to copper in alloy C is
2
GATE ECE 2018
MCQ (Single Correct Answer)
+2
-0.67
Leila aspires to buy a car worth Rs. 10,00,000 after 5 years. What is the minimum amount
in Rupees that she should deposit now in a bank which offers 10% annual rate of interest, if the interest
was compounded annually?
3
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.67
There are 3 Indians and 3 Chinese in a group of 6 people. How many subgroups of this group can we
choose so that every subgroup has at least one Indian?
4
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.67
S, T, U, V, W, X, Y and Z are seated around a circular table. T's neighbors are Y and V. Z is seated third
to the left of T and second to the right of S. U's neighbors are S and Y: and T and W are not seated opposite
each other. Who is third to the left of V?
Questions Asked from Numerical Ability (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
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
Communications
Electromagnetics
General Aptitude