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General Aptitude
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1
GATE ECE 2011
MCQ (Single Correct Answer)
+2
-0.6
The sum of n terms of the series 4 + 44 + 444 +.... is
A
$$\left(4/81\right)\;\left[10^{\mathrm n+1}\;-\;9\mathrm n\;-\;1\right]$$
B
$$\left(4/81\right)\;\left[10^{\mathrm n-1}\;-\;9\mathrm n\;-\;1\right]$$
C
$$\left(4/81\right)\;\left[10^{\mathrm n+1}\;-\;9\mathrm n\;-\;10\right]$$
D
$$\left(4/81\right)\;\left[10^\mathrm n\;-\;9\mathrm n\;-\;10\right]$$
2
GATE ECE 2011
MCQ (Single Correct Answer)
+2
-0.6
The fuel consumed by a motorcycle during a journey while traveling at various speeds is indicated in the graph below. GATE ECE 2011 General Aptitude - Numerical Ability Question 64 English 1

The distances covered during four laps of the journey are listed in the table below

GATE ECE 2011 General Aptitude - Numerical Ability Question 64 English 2

From the given data, we can conclude that the fuel consumed per kilometre was least during the lap

A
P
B
Q
C
R
D
S
3
GATE ECE 2010
MCQ (Single Correct Answer)
+2
-0.6
If 137+276=435 how much is 731+672?
A
534
B
1403
C
1623
D
1513
4
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?
A
20 days
B
18 days
C
16 days
D
15 days
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Questions Asked from Marks 2
GATE ECE 2025 (3) GATE ECE 2024 (3) GATE ECE 2023 (3) GATE ECE 2022 (2) GATE ECE 2021 (3) GATE ECE 2019 (3) GATE ECE 2018 (3) GATE ECE 2017 Set 2 (4) GATE ECE 2017 Set 1 (4) GATE ECE 2014 Set 1 (5) GATE ECE 2013 (4) GATE ECE 2012 (5) GATE ECE 2011 (5) GATE ECE 2010 (5)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics