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Hot questions in Quantitative Aptitude
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81
GATE ECE 2014 Set 4 | GA Question: 9
A firm producing air purifiers sold $200$ units in $2012$. The following pie chart presents the share of raw material, labour, energy, plant & machinery, and transportation costs in the total manufacturing cost of the firm in $2012$. The ... all other expenses increased by $20 \%$. What is the percentage increase in total cost for the company in $2013$?
A firm producing air purifiers sold $200$ units in $2012$. The following pie chart presents the share of raw material, labour, energy, plant & machinery, and transportati...
Milicevic3306
16.0k
points
77
views
Milicevic3306
asked
Mar 26, 2018
Quantitative Aptitude
gate2014-ec-4
numerical-ability
data-interpretation
pie-chart
+
–
0
votes
0
answers
82
GATE ECE 2014 Set 1 | GA Question: 10
You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is $1/4$ $1/3$ $1/2$ $2/3$
You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coi...
Milicevic3306
16.0k
points
76
views
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2014-ec-1
numerical-ability
probability
+
–
0
votes
0
answers
83
GATE ECE 2014 Set 3 | GA Question: 10
A batch of one hundred bulbs is inspected by testing four randomly chosen bulbs. The batch is rejected if even one of the bulbs is defective. A batch typically has five defective bulbs. The probability that the current batch is accepted is ________
A batch of one hundred bulbs is inspected by testing four randomly chosen bulbs. The batch is rejected if even one of the bulbs is defective. A batch typically has five d...
Milicevic3306
16.0k
points
74
views
Milicevic3306
asked
Mar 26, 2018
Quantitative Aptitude
gate2014-ec-3
numerical-ability
probability
numerical-answers
+
–
0
votes
0
answers
84
GATE ECE 2013 | Question: 61
A car travels $8 \: km$ in the first quarter of an hour, $6\: km$ in the second quarter and $16\: km$ in the third quarter. The average speed of the car in $km$ per hour over the entire journey is $30$ $36$ $40$ $24$
A car travels $8 \: km$ in the first quarter of an hour, $6\: km$ in the second quarter and $16\: km$ in the thirdquarter. The average speed of the car in $km$ per hour ...
Milicevic3306
16.0k
points
80
views
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2013-ec
numerical-ability
speed-time-distance
+
–
0
votes
0
answers
85
GATE ECE 2013 | Question: 62
Find the sum to $n$ terms of the series $10+84+ 734 +\dots $ $\frac{9(9^n+1)}{10}+1$ $\frac{9(9^n-1)}{8}+1$ $\frac{9(9^n-1)}{8}+n$ $\frac{9(9^n-1)}{8}+n^2$
Find the sum to $n$ terms of the series $10+84+ 734 +\dots $$\frac{9(9^n+1)}{10}+1$$\frac{9(9^n-1)}{8}+1$$\frac{9(9^n-1)}{8}+n$$\frac{9(9^n-1)}{8}+n^2$
Milicevic3306
16.0k
points
78
views
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2013-ec
numerical-ability
arithmetic-series
+
–
0
votes
0
answers
86
GATE ECE 2014 Set 4 | GA Question: 10
A five digit number is formed using the digits $1,3,5,7$ and $9$ without repeating any of them. What is the sum of all such possible five digit numbers? $6666660$ $6666600$ $6666666$ $6666606$
A five digit number is formed using the digits $1,3,5,7$ and $9$ without repeating any of them. What is the sum of all such possible five digit numbers?$6666660$$6666600$...
Milicevic3306
16.0k
points
71
views
Milicevic3306
asked
Mar 26, 2018
Quantitative Aptitude
gate2014-ec-4
numerical-ability
couting
+
–
0
votes
0
answers
87
GATE ECE 2012 | Question: 65
$A$ and $B$ are friends. They decide to meet between $1:00$pm and $2:00$ pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than $15$ minutes. The probability that they will meet on that day is $1/4$ $1/16$ $7/16$ $9/16$
$A$ and $B$ are friends. They decide to meet between $1:00$pm and $2:00$ pm on a given day. There is a condition that whoever arrives first will not wait for the other fo...
Milicevic3306
16.0k
points
94
views
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2012-ec
numerical-ability
probability
+
–
0
votes
0
answers
88
GATE ECE 2014 Set 2 | GA Question: 10
It takes $30$ minutes to empty a half-full tank by draining it at a constant rate. It is decided to simultaneously pump water into the half-full tank while draining it. What is the rate at which water has to be pumped in so that it gets fully ... ? $4$ times the draining rate $3$ times the draining rate $2.5$ times the draining rate $2$ times the draining rate
It takes $30$ minutes to empty a half-full tank by draining it at a constant rate. It is decided to simultaneously pump water into the half-full tank while draining it. W...
Milicevic3306
16.0k
points
66
views
Milicevic3306
asked
Mar 26, 2018
Quantitative Aptitude
gate2014-ec-2
numerical-ability
pipe-cisterns
+
–
0
votes
0
answers
89
GATE ECE 2013 | Question: 64
The set of values of $p$ for which the roots of the equation $3x^2+2x+p(p-1)=0$ are of opposite sign is $(-\infty ,0)$ $(0,1)$ $(1,\infty )$ $(0,\infty )$
The set of values of $p$ for which the roots of the equation $3x^2+2x+p(p-1)=0$ are of opposite sign is$(-\infty ,0)$$(0,1)$$(1,\infty )$$(0,\infty )$
Milicevic3306
16.0k
points
69
views
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2013-ec
numerical-ability
quadratic-equations
roots
+
–
0
votes
0
answers
90
GATE ECE 2012 | Question: 64
The data given in the following table summarizes the monthly budget of an average household. ... $10\%$ $14\%$ $81\%$ $86\%$
The data given in the following table summarizes the monthly budget of an average household.$$\begin{array}{|l|c|c|} \hline \textbf{Category} & \textbf{Amount(Rs.)} \\\hl...
Milicevic3306
16.0k
points
84
views
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2012-ec
numerical-ability
percentage
+
–
0
votes
1
answer
91
GATE ECE 2018 | GA Question: 5
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? $1.5$ $3$ $4.5$ $6$
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 tw...
gatecse
1.6k
points
271
views
gatecse
asked
Feb 19, 2018
Quantitative Aptitude
gate2018-ec
numerical-ability
geometry
+
–
0
votes
1
answer
92
GATE ECE 2018 | GA Question: 9
A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident. 85% of cabs in the city are green and the remaining cabs are blue. A witness identified the cab involved ... tune. Which of the following options is closest to the probability that the accident was caused by a blue cab? 12% 15% 41% 80%
A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident.85% of cabs in the city are green and ...
gatecse
1.6k
points
249
views
gatecse
asked
Feb 19, 2018
Quantitative Aptitude
gate2018-ec
numerical-ability
probability
+
–
0
votes
1
answer
93
GATE ECE 2018 | GA Question: 6
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? $5,00,000$ $6,21,000$ $6,66,667$ $7,50,000$
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 ra...
gatecse
1.6k
points
241
views
gatecse
asked
Feb 19, 2018
Quantitative Aptitude
gate2018-ec
numerical-ability
compound-interest
+
–
0
votes
1
answer
94
GATE ECE 2018 | GA Question: 4
What is the value of $1+\frac{1}{4}+\frac{1}{16}+\frac{1}{256}+ \cdots?$ $2$ $\frac{7}{4}$ $\frac{3}{2}$ $\frac{4}{3}$
What is the value of $1+\frac{1}{4}+\frac{1}{16}+\frac{1}{256}+ \cdots?$$2$$\frac{7}{4}$$\frac{3}{2}$$\frac{4}{3}$
gatecse
1.6k
points
209
views
gatecse
asked
Feb 19, 2018
Quantitative Aptitude
gate2018-ec
numerical-ability
geometric-progression
+
–
0
votes
1
answer
95
GATE ECE 2018 | GA Question: 7
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$:$ $5:10$ $7:13$ $6:11$ $9:13$
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....
gatecse
1.6k
points
195
views
gatecse
asked
Feb 19, 2018
Quantitative Aptitude
gate2018-ec
numerical-ability
ratio-proportions
+
–
0
votes
1
answer
96
GATE ECE 2018 | GA Question: 3
If the number $715\blacksquare423$ is divisible by $3(\blacksquare$ denotes the missing digit in the thousandths place$),$ then the smallest whole number in the place of $\blacksquare$ is _________. $0$ $2$ $5$ $6$
If the number $715\blacksquare423$ is divisible by $3(\blacksquare$ denotes the missing digit in the thousandths place$),$ then the smallest whole number in the place of...
gatecse
1.6k
points
174
views
gatecse
asked
Feb 19, 2018
Quantitative Aptitude
gate2018-ec
numerical-ability
number-system
+
–
0
votes
0
answers
97
GATE ECE 2017 Set 2 | GA Question: 10
A contour line joins locations having the same height above the mean sea level. The following is a contour plot of a geographical region. Contour lines are shown at $25$ m intervals in this plot. Which of the following is the steepest path leaving from $P$? $\text{P to Q}$ $\text{P to R}$ $\text{P to S}$ $\text{P to T}$
A contour line joins locations having the same height above the mean sea level. The following is a contour plot of a geographical region. Contour lines are shown at $25$ ...
admin
46.4k
points
216
views
admin
asked
Nov 23, 2017
Quantitative Aptitude
gate2017-ec-2
numerical-ability
data-interpretation
contour-plots
+
–
0
votes
0
answers
98
GATE ECE 2017 Set 2 | GA Question: 5
$500$ students are taking one or more course out of Chemistry, Physics, and Mathematics. Registration records indicate course enrollment as follows: Chemistry $(329)$, Physics $(186)$, and Mathematics $(295)$. Chemistry and Physics $(83)$, Chemistry and ... Physics and Mathematics $(63)$. How many students are taking all $3$ subjects? $37$ $43$ $47$ $53$
$500$ students are taking one or more course out of Chemistry, Physics, and Mathematics. Registration records indicate course enrollment as follows: Chemistry $(329)$, Ph...
admin
46.4k
points
150
views
admin
asked
Nov 23, 2017
Quantitative Aptitude
gate2017-ec-2
numerical-ability
venn-diagrams
+
–
0
votes
0
answers
99
GATE ECE 2017 Set 2 | GA Question: 8
$1200$ men and $500$ women can build a bridge in $2$ weeks. $900$ men and $250$ women will take $3$ weeks to build the same bridge. How many men will be needed to build the bridge in one week? $3000$ $3300$ $3600$ $3900$
$1200$ men and $500$ women can build a bridge in $2$ weeks. $900$ men and $250$ women will take $3$ weeks to build the same bridge. How many men will be needed to build t...
admin
46.4k
points
104
views
admin
asked
Nov 23, 2017
Quantitative Aptitude
gate2017-ec-2
numerical-ability
work-time
+
–
0
votes
0
answers
100
GATE ECE 2017 Set 1 | GA Question: 4
$40 \%$ of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is $120$ $144$ $160$ $212$
$40 \%$ of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is$120$$144$$160$$212$
admin
46.4k
points
115
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
data-interpretation
pie-chart
+
–
0
votes
0
answers
101
GATE ECE 2017 Set 1 | GA Question: 9
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? $56$ $52$ $48$ $44$
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?$56$$52$$48$...
admin
46.4k
points
113
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
counting
+
–
0
votes
0
answers
102
GATE ECE 2017 Set 1 | GA Question: 8
Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car. Trucks and cars travel at a speed of $36$ km/h. If cars and trucks go alternately, what is the maximum number of vehicles that can use the bridge in one hour? $1440$ $1200$ $720$ $600$
Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car...
admin
46.4k
points
106
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
speed-time-distance
+
–
0
votes
0
answers
103
GATE ECE 2017 Set 1 | GA Question: 3
In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, while other consumption increases by $70 \%$. Which of the following statement is ... is $1/17$ The ratio of household to other consumption is $17/8$ There are errors in the official's statement.
In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, whi...
admin
46.4k
points
92
views
admin
asked
Nov 17, 2017
Quantitative Aptitude
gate2017-ec-1
numerical-ability
percentage
+
–
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