1

GATE ECE 2010

MCQ (Single Correct Answer)

+2

-0.6

Hari (H), Gita (G), Irfan (I) and Saira (S) are siblings (i.e. brothers and sisters). All
were born on 1

^{st}January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following facts:i. Hari’s age + Gita’s age > Irfan’s age + Saira’s age.

ii. The age difference between Gita and Saira is 1 year. However, Gita is not the oldest and Saira is not the youngest.

iii. There are not twins.

In what order were they born (Oldest first)?2

GATE ECE 2010

MCQ (Single Correct Answer)

+2

-0.6

If 137+276=435 how much is 731+672?

3

GATE ECE 2010

MCQ (Single Correct Answer)

+2

-0.6

5 skilled workers can build a wall in 20 days; 8 semi-skilled workers can build a wall
in 25 days; 10 unskilled workers can build a wall in 30 days. If a team has 2 skilled,
6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?

4

GATE ECE 2010

MCQ (Single Correct Answer)

+2

-0.6

Given digits 2,2,3,3,3,4,4,4,4 how many distinct 4 digit numbers greater than
3000 can be formed?

Questions Asked from Numerical Ability (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

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