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Recent questions in Quantitative Aptitude
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41
GATE ECE 2015 Set 1 | GA Question: 5
If $\log_{x}{(\frac{5}{7})}=\frac{-1}{3},$ then the value of $x$ is $343/125$ $125/343$ $-25/49$ $-49/25$
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gate2015-ec-1
numerical-ability
logarithms
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0
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42
GATE ECE 2015 Set 1 | GA Question: 8
Fill in the missing value
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61
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gate2015-ec-1
numerical-answers
analytical-aptitude
logical-reasoning
sequence-series
0
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0
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43
GATE ECE 2015 Set 1 | GA Question: 9
A cube of side $3$ units is formed using a set of smaller cubes of side $1$ unit. Find the proportion of the number of faces of the smaller cubes visible to those which are NOT visible. $1:4$ $1:3$ $1:2$ $2:3$
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15.8k
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56
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gate2015-ec-1
numerical-ability
ratio-proportions
0
votes
0
answers
44
GATE ECE 2014 Set 4 | GA Question: 4
Let $f(x,y)=x^n y^m=P$. If $x$ is doubled and $y$ is halved, the new value of $f$ is $2^{n-m}P$ $2^{m-n}P$ $2(n-m)P$ $2(m-n)P$
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Quantitative Aptitude
Mar 26, 2018
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Milicevic3306
15.8k
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44
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gate2014-ec-4
numerical-ability
functions
0
votes
0
answers
45
GATE ECE 2014 Set 4 | GA Question: 5
In a sequence of $12$ consecutive odd numbers, the sum of the first $5$ numbers is $425$. What is the sum of the last $5$ numbers in the sequence?
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Quantitative Aptitude
Mar 26, 2018
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15.8k
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49
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gate2014-ec-4
numerical-ability
arithmetic-series
numerical-answers
0
votes
0
answers
46
GATE ECE 2014 Set 4 | GA Question: 8
Industrial consumption of power doubled from $2000$-$2001$ to $2010$-$2011$. Find the annual rate of increase in percent assuming it to be uniform over the years. $5.6$ $7.2$ $10.0$ $12.2$
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Quantitative Aptitude
Mar 26, 2018
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Milicevic3306
15.8k
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47
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gate2014-ec-4
numerical-ability
data-interpretation
0
votes
0
answers
47
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 $2013$?
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Quantitative Aptitude
Mar 26, 2018
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38
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gate2014-ec-4
numerical-ability
data-interpretation
pie-chart
0
votes
0
answers
48
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? $6666660$ $6666600$ $6666666$ $6666606$
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Quantitative Aptitude
Mar 26, 2018
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15.8k
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39
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gate2014-ec-4
numerical-ability
couting
0
votes
0
answers
49
GATE ECE 2014 Set 3 | GA Question: 7
The multi-level hierarchical pie chart shows the population of animals in a reserve forest. The correct conclusions from this information are: Butterflies are birds There are more tigers in this forest than red ants All reptiles in this forest are either snakes or crocodiles Elephants are ... (ii), (iii) and (iv) (i), (iii) and (iv) only (i), (ii) and (iii) only
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48
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gate2014-ec-3
numerical-ability
data-interpretation
pie-chart
0
votes
0
answers
50
GATE ECE 2014 Set 3 | GA Question: 8
A man can row at $8$ $km$ per hour in still water. If it takes him thrice as long to row upstream, as to row downstream, then find the stream velocity in $km$ per hour.
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52
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gate2014-ec-3
numerical-ability
boat-streams
numerical-answers
0
votes
0
answers
51
GATE ECE 2014 Set 3 | 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 expenditure on labour ... a profit of Rs. $10$ lakhs in $2012$, at what price (in $Rs$.) was each air purifier sold?
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38
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gate2014-ec-3
numerical-ability
data-interpretation
pie-chart
numerical-answers
0
votes
0
answers
52
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 ________
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35
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gate2014-ec-3
numerical-ability
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0
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0
answers
53
GATE ECE 2014 Set 2 | GA Question: 4
A regular die has six sides with numbers $1$ to $6$ marked on its sides. If a very large number of throws show the following frequencies of occurrence: $1 \rightarrow 0.167$; $2 \rightarrow 0.167$; $3 \rightarrow 0.152$; $4 \rightarrow 0.166$; $5 \rightarrow 0.168$; $6 \rightarrow 0.180$. We call this die irregular biased Gaussian insufficient
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42
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gate2014-ec-2
numerical-ability
probability
0
votes
0
answers
54
GATE ECE 2014 Set 2 | GA Question: 8
The sum of eight consecutive odd numbers is $656$. The average of four consecutive even numbers is $87$. What is the sum of the smallest odd number and second largest even number?
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Quantitative Aptitude
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43
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gate2014-ec-2
numerical-ability
number-system
numerical-answers
0
votes
0
answers
55
GATE ECE 2014 Set 2 | GA Question: 9
The total exports and revenues from the exports of a country are given in the two charts shown below. The pie chart for exports shows the quantity of each item exported as a percentage of the total quantity of exports. The pie chart for the revenues shows ... item among the following has generated the maximum revenue per $kg$? Item $2$ Item $3$ Item $6$ Item $5$
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Quantitative Aptitude
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32
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gate2014-ec-2
numerical-ability
data-interpretation
pie-chart
0
votes
0
answers
56
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
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gate2014-ec-2
numerical-ability
pipe-cisterns
0
votes
0
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57
GATE ECE 2014 Set 1 | GA Question: 4
The statistics of runs scored in a series by four batsmen are provided in the following table. Who is the most consistent batsman of these four? ... K L M N
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Quantitative Aptitude
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61
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gate2014-ec-1
numerical-ability
statistics
0
votes
0
answers
58
GATE ECE 2014 Set 1 | GA Question: 5
What is the next number in the series? $12$ $35$ $81$ $173$ $357$ ________,
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Mar 26, 2018
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55
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gate2014-ec-1
numerical-ability
sequence-series
numerical-answers
0
votes
0
answers
59
GATE ECE 2014 Set 1 | GA Question: 8
A train that is $280$ meters long, traveling at a uniform speed, crosses a platform in $60$ seconds and passes a man standing on the platform in $20$ seconds. What is the length of the platform in meters?
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Quantitative Aptitude
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42
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gate2014-ec-1
numerical-ability
speed-time-distance
numerical-answers
0
votes
0
answers
60
GATE ECE 2014 Set 1 | GA Question: 9
The exports and imports (in crores of $Rs$.) of a country from $2000$ to $2007$ are given in the following bar chart. If the trade deficit is defined as excess of imports over exports, in which year is the trade deficit $\frac{1}{5}$th of the exports? $2005$ $2004$ $2007$ $2006$
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47
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gate2014-ec-1
numerical-ability
data-interpretation
bar-graph
0
votes
0
answers
61
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 $1/4$ $1/3$ $1/2$ $2/3$
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39
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gate2014-ec-1
numerical-ability
probability
0
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0
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62
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 $(-\infty ,0)$ $(0,1)$ $(1,\infty )$ $(0,\infty )$
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33
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gate2013-ec
numerical-ability
quadratic-equations
roots
0
votes
0
answers
63
GATE ECE 2013 | Question: 62
Find the sum to $n$ terms of the series $10+84+ 734 +\dots $ $\frac{9(9^n+1)}{10}+1$ $\frac{9(9^n-1)}{8}+1$ $\frac{9(9^n-1)}{8}+n$ $\frac{9(9^n-1)}{8}+n^2$
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44
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gate2013-ec
numerical-ability
arithmetic-series
0
votes
0
answers
64
GATE ECE 2013 | Question: 65
What is the chance that a leap year, selected at random, will contain $53$ Saturdays? $2/7$ $3/7$ $1/7$ $5/7$
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Quantitative Aptitude
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55
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gate2013-ec
numerical-ability
probability
leap-year
0
votes
0
answers
65
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 $30$ $36$ $40$ $24$
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Quantitative Aptitude
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43
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gate2013-ec
numerical-ability
speed-time-distance
0
votes
0
answers
66
GATE ECE 2013 | Question: 58
In the summer of $2012,$ in New Delhi, the mean temperature of Monday to Wednesday was $41^{\circ}C$ and of Tuesday to Thursday was $43^{\circ}C$. If the temperature on Thursday was $15\%$ higher than that of Monday, then the temperature in $^{\circ}C$ on Thursday was $40$ $43$ $46$ $49$
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gate2013-ec
numerical-ability
percentage
0
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0
answers
67
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 $1/4$ $1/16$ $7/16$ $9/16$
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gate2012-ec
numerical-ability
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0
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68
GATE ECE 2012 | Question: 64
The data given in the following table summarizes the monthly budget of an average household. ... $10\%$ $14\%$ $81\%$ $86\%$
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gate2012-ec
numerical-ability
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0
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69
GATE ECE 2012 | Question: 62
Raju has $14$ currency notes in his pocket consisting of only Rs. $20$ notes and Rs. $10$ notes. The total money value of the notes is Rs. $230$. The number of Rs. $10$ notes that Raju has is $5$ $6$ $9$ $10$
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74
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gate2012-ec
numerical-ability
numerical-computation
0
votes
0
answers
70
GATE ECE 2012 | Question: 56
If $(1.001)^{1259}=3.52$ and $(1.001)^{2062}=7.85,$ then $(1.001)^{3321}=?$ $2.23$ $4.33$ $11.37$ $27.64$
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56
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gate2012-ec
numerical-ability
number-system
0
votes
1
answer
71
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? $5,00,000$ $6,21,000$ $6,66,667$ $7,50,000$
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Feb 19, 2018
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153
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gate2018-ec
numerical-ability
compound-interest
0
votes
1
answer
72
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? $1.5$ $3$ $4.5$ $6$
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191
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gate2018-ec
numerical-ability
geometry
0
votes
1
answer
73
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$:$ $5:10$ $7:13$ $6:11$ $9:13$
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124
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gate2018-ec
numerical-ability
ratio-proportions
0
votes
1
answer
74
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%
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175
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gate2018-ec
numerical-ability
probability
0
votes
1
answer
75
GATE ECE 2018 | GA Question: 4
What is the value of $1+\frac{1}{4}+\frac{1}{16}+\frac{1}{256}+ \cdots?$ $2$ $\frac{7}{4}$ $\frac{3}{2}$ $\frac{4}{3}$
gatecse
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Quantitative Aptitude
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by
gatecse
1.5k
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141
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gate2018-ec
numerical-ability
geometric-progression
0
votes
1
answer
76
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 _________. $0$ $2$ $5$ $6$
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110
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gate2018-ec
numerical-ability
number-system
0
votes
0
answers
77
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 $P$? $\text{P to Q}$ $\text{P to R}$ $\text{P to S}$ $\text{P to T}$
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Nov 23, 2017
by
admin
35.3k
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127
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gate2017-ec-2
numerical-ability
data-interpretation
contour-plots
0
votes
1
answer
78
GATE ECE 2017 Set 2 | GA Question: 9
The number of $3$-digit numbers such that the digit $1$ is never to the immediate right of $2$ is $781$ $791$ $881$ $891$
admin
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Quantitative Aptitude
Nov 23, 2017
by
admin
35.3k
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199
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gate2017-ec-2
numerical-ability
counting
0
votes
0
answers
79
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? $3000$ $3300$ $3600$ $3900$
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Quantitative Aptitude
Nov 23, 2017
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admin
35.3k
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65
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gate2017-ec-2
numerical-ability
work-time
0
votes
0
answers
80
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? $37$ $43$ $47$ $53$
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96
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gate2017-ec-2
numerical-ability
venn-diagrams
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