Recent questions and answers in Quantitative Aptitude

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1

GATE Electrical 2018 | GA Question: 6
An e-mail password must contain three characters. The password has to contain one numeral from $0$ to $9,$ one upper case and one lower case character from the English alphabet. How many distinct passwords are possible$?$ $6,760$ $13,520$ $40,560$ $1,05,456$

ashishrajmin answered in Quantitative Aptitude Jul 31, 2022

by ashishrajmin

480 points

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1 answer

2

GATE Electrical 2019 | GA Question: 7
The ration of the number of boys and girls who participated in an examination is $4:3.$ The total percentage of candidates who passed the examination is $80$ and the percentage of girls who passed the exam is $90.$ The percentage of boys who passed is _______. $55.50$ $72.50$ $80.50$ $90.00$

ashishrajmin answered in Quantitative Aptitude Jul 29, 2022

by ashishrajmin

480 points

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1 answer

3

GATE Electrical 2019 | GA Question: 6
How many integers are there between $100$ and $1000$ all of whose digits are even? $60$ $80$ $100$ $90$

ashishrajmin answered in Quantitative Aptitude Jul 29, 2022

by ashishrajmin

480 points

3 votes

2 answers

4

GATE Electrical 2021 | GA Question: 4
Which one of the following numbers is exactly divisible by $\left ( 11^{13} +1\right )$? $11^{26} +1$ $11^{33} +1$ $11^{39} -1$ $11^{52} -1$

Tharun_Kumar answered in Quantitative Aptitude May 7, 2022

by Tharun_Kumar

160 points

6 votes

1 answer

5

GATE Electrical 2022 | GA Question: 5
The figure below shows the front and rear view of a disc, which is shaded with identical patterns. The disc is flipped once with respect to any one of the fixed axes $1 -1$, $2 -2$ or $3 -3$ chosen uniformly at random. What is the probability that the ... $0$ $\frac{1}{3}$ $\frac{2}{3}$ $1$

Lakshman Patel RJIT answered in Quantitative Aptitude Feb 26, 2022

by Lakshman Patel RJIT

4.2k points

1 vote

1 answer

6

GATE Electrical 2022 | GA Question: 7
There are two identical dice with a single letter on each of the faces. The following six letters: $\text{Q, R, S, T, U}$ and $\text{V}$, one on each of the faces. Any of the six outcomes are equally likely. The two dice are thrown once independently at random. What is the ... $\text{V}$? $\frac{1}{4}$ $\frac{3}{4}$ $\frac{1}{6}$ $\frac{5}{36}$

Lakshman Patel RJIT answered in Quantitative Aptitude Feb 26, 2022

by Lakshman Patel RJIT

4.2k points

1 vote

1 answer

7

GATE Electrical 2022 | GA Question: 8
The price of an item is $10\%$ cheaper in an online store $S$ compared to the price at another online store $M$. Store $S$ charges $\text{₹ }150$ for delivery. There are no delivery charges for orders from the store $M$. A person bought the items ... $S$ (in $\text{₹}$) if there are no other charges than what is described above? $2500$ $2250$ $1750$ $1500$

Lakshman Patel RJIT answered in Quantitative Aptitude Feb 22, 2022

by Lakshman Patel RJIT

4.2k points

2 votes

1 answer

8

GATE Electrical 2022 | GA Question: 3
Three bells $P$, $Q$ and $R$ are rung periodically in a school. $P$ is rung every $20$ minutes; $Q$ is rung every $30$ minutes and $R$ is rung every $50$ minutes. If all the three bells are rung at $12 : 00$ $\text{PM}$, when will the three bells ring together again ... time? $5 : 00$ $\text{PM}$ $5 : 30$ $\text{PM}$ $6 : 00$ $\text{PM}$ $6 : 30$ $\text{PM}$

Lakshman Patel RJIT answered in Quantitative Aptitude Feb 21, 2022

by Lakshman Patel RJIT

4.2k points

1 vote

1 answer

9

GATE Electrical 2022 | GA Question: 2
In a $500\;m$ race, $P$ and $Q$ have speeds in the ratio of $3 : 4$. $Q$ starts the race when $P$ has already covered $140\; m$. What is the distance between $P$ and $Q$ (in $m$) when $P$ wins the race? $20$ $40$ $60$ $140$

Lakshman Patel RJIT answered in Quantitative Aptitude Feb 21, 2022

by Lakshman Patel RJIT

4.2k points

1 vote

2 answers

10

GATE Electrical 2020 | GA Question: 10
The revenue and expenditure of four different companies $\text{P, Q, R and S}$ in $2015$ are shown in the figure. If the revenue of company $\text{Q}$ in $2015$ was $20$% more than that in $2014$, and company $\text{Q}$ had earned a profit of ... expenditure in $2014$, then its expenditure (in million rupees) in $2014$ was _______. $32.7$ $33.7$ $34.1$ $35.1$

Lakshman Patel RJIT answered in Quantitative Aptitude Apr 4, 2021

by Lakshman Patel RJIT

4.2k points

1 vote

1 answer

11

GATE Electrical 2021 | GA Question: 7
In the figure shown above, each inside square is formed by joining the midpoints of the sides of the next larger square. The area of the smallest square (shaded) as shown, in $\text{cm}^{2}$ is: $12.50$ $6.25$ $3.125$ $1.5625$

Lakshman Patel RJIT answered in Quantitative Aptitude Mar 27, 2021

by Lakshman Patel RJIT

4.2k points

1 vote

1 answer

12

GATE Electrical 2021 | GA Question: 8
Let $X$ be a continuous random variable denoting the temperature measured. The range of temperature is $[0, 100]$ degree Celsius and let the probability density function of $X$ be $f\left ( x \right )=0.01$ for $0\leq X\leq 100$. The mean of $X$ is __________ $2.5$ $5.0$ $25.0$ $50.0$

Lakshman Patel RJIT answered in Quantitative Aptitude Mar 27, 2021

by Lakshman Patel RJIT

4.2k points

2 votes

1 answer

13

GATE Electrical 2021 | GA Question: 9
The number of students passing or failing in an exam for a particular subject is presented in the bar chart above. Students who pass the exam cannot appear for the exam again. Students who fail the exam in the first attempt must appear for the exam in the following ... $65$ and $53$ $60$ and $50$ $55$ and $53$ $55$ and $48$

Lakshman Patel RJIT answered in Quantitative Aptitude Mar 27, 2021

by Lakshman Patel RJIT

4.2k points

1 vote

1 answer

14

GATE Electrical 2020 | GA Question: 9
Given a semicircle with $\text{O}$ as the centre, as shown in the figure, the ratio $\dfrac{\overline{AC}+\overline{CB}}{\overline{AB}}$ is _______, where $\overline{AC}$, $\overline{CB}$ and $\overline{AB}$ are chords. $\sqrt{2}$ $\sqrt{3}$ $2$ $3$

vijayp_ answered in Quantitative Aptitude Aug 12, 2020

by vijayp_

2.6k points

2 votes

1 answer

15

GATE Electrical 2020 | GA Question: 5
If $\text{P, Q, R, S}$ are four individuals, how many teams of size exceeding one can be formed, with $\text{Q}$ as a member? $5$ $6$ $7$ $8$

vijayp_ answered in Quantitative Aptitude Aug 12, 2020

by vijayp_

2.6k points

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16

GATE Electrical 2019 | GA Question: 4
It takes two hours for a person $X$ to mow the lawn. $Y$ can mow the same lawn in four hours. How long (in minutes) will it take $X$ and $Y,$ if they work together to mow the lawn$?$ $60$ $80$ $90$ $120$

Arjun asked in Quantitative Aptitude Feb 12, 2019

by Arjun

9.3k points

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17

GATE Electrical 2019 | GA Question: 9
Given two sets $X=\{1,2,3\}$ and $Y=\{2,3,4\},$ we construct a set $Z$ of all possible fractions where the numerators belong to set $X$ and the denominators belong to set $Y.$ The product of elements having minimum and maximum values in the set $Z$ is _____. $1/12$ $1/8$ $1/6$ $3/8$

Arjun asked in Quantitative Aptitude Feb 12, 2019

by Arjun

9.3k points

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18

GATE Electrical 2012 | Question: 63
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 $5$ $6$ $9$ $10$

Andrijana3306 asked in Quantitative Aptitude Mar 24, 2018

by Andrijana3306

1.4k points

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19

GATE Electrical 2012 | Question: 65
The data given in the following table summarizes the monthly budget of an average household. ... The approximate percentage of the monthly budget $\textbf{NOT}$ spent on savings is $10\%$ $14\%$ $81\%$ $86\%$

Andrijana3306 asked in Quantitative Aptitude Mar 24, 2018

by Andrijana3306

1.4k points

1 vote

0 answers

20

GATE Electrical 2012 | Question: 61
$A$ 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 $1/4$ $1/16$ $7/16$ $9/16$

Andrijana3306 asked in Quantitative Aptitude Mar 24, 2018

by Andrijana3306

1.4k points

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21

GATE Electrical 2018 | GA Question: 9
A designer uses marbles of four different colours for his designs. The cost of each marble is the same, irrespective of the colour. The table below shows the percentage of marbles of each colour used in the current design. The cost of each marble increased by $25 \%$. ... $35.75$ $40.25$ $43.75$ $46.25$

Sukanya Das answered in Quantitative Aptitude Mar 2, 2018

by Sukanya Das

760 points

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1 answer

22

GATE Electrical 2018 | GA Question: 4
For what values of $k$ given below is $\dfrac{(k + 2)^2}{(k - 3)}$ an integer? $4 , 8 , 18 $ $4 , 10 , 16$ $ 4 , 8 , 28 $ $8 , 26 , 28$

Sukanya Das answered in Quantitative Aptitude Mar 2, 2018

by Sukanya Das

760 points

0 votes

1 answer

23

GATE Electrical 2018 | GA Question: 8
A class of twelve children has two more boys than girls. A group of three children are randomly picked from this class to accompany the teacher on a field trip. What is the probability that the group accompanying the teacher contains more girls than boys? $0 \\ $ $\frac{325}{864} \\ $ $\frac{525}{864} \\ $ $\frac{5}{12}$

Sukanya Das answered in Quantitative Aptitude Mar 2, 2018

by Sukanya Das

760 points

0 votes

1 answer

24

GATE Electrical 2018 | GA Question: 5
Functions $F(a,b)$ and $G(a,b)$ are defined as follows: $F(a,b)=(a-b)^{2}$ and $G(a,b)=\mid a-b\mid ,$ where $\mid x\mid$ represents the absolute value of $x.$ What would be the value of $G(F(1,3),G(1,3))?$ $2$ $4$ $6$ $36$

Balaji Jegan answered in Quantitative Aptitude Feb 23, 2018

by Balaji Jegan

180 points

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0 answers

25

GATE Electrical 2018 | GA Question: 3
The three roots of the equation $f(x) = 0$ are $x = {−2, 0, 3}.$ What are the three values of $ x $ for which $f(x − 3) = 0?$ $−5 , −3 , 0 $ $−2 , 0 , 3$ $0 , 6 , 8$ $1 , 3 , 6$

Arjun asked in Quantitative Aptitude Feb 19, 2018

by Arjun

9.3k points

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0 answers

26

GATE Electrical 2017 Set 2 | GA Question: 5
There are $3$ red socks, $4$ green socks and $3$ blue socks. You choose $2$ socks. The probability that they are of the same colour is $1/5$ $7/30$ $1/4$ $4/15$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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27

GATE Electrical 2017 Set 2 | GA Question: 8
$X$ is a $30$ digit number starting with the digit $4$ followed by the digit $7$. Then the number $X^{3}$ will have $90$ digits $91$ digits $92$ digits $93$ digits

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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28

GATE Electrical 2017 Set 2 | GA Question: 10
An air pressure contour line joins locations in a region having the same atmospheric pressure. The following is an air pressure contour plot of a geographical region. Contour lines are shown at $0.05$ bar intervals in this plot. If a possibility of a ... over a region, which of the following regions is most likely to have a thunderstorm? $P$ $Q$ $R$ $S$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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29

GATE Electrical 2017 Set 2 | GA Question: 4
A test has twenty questions worth $100$ marks in total. There are two types of questions. Multiple choice questions are worth $3$ marks each and essay questions are worth $11$ marks each. How many multiple choice questions does the exam have? $12$ $15$ $18$ $19$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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30

GATE Electrical 2017 Set 2 | GA Question: 9
The number of roots of $e^{x}+0.5x^{2}-2=0$ in the range $[-5, 5]$ is $0$ $1$ $2$ $3$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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31

GATE Electrical 2017 Set 1 | GA Question: 7
Six people are seated around a circular table. There are at least two men and two women. There are at least three right-handed persons. Every women has a left-handed person to her immediate right. None of the women are right-handed. The number of women at the table is $2$ $3$ $4$ Cannot be determined.

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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32

GATE Electrical 2017 Set 1 | 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. If in a flood, the water level rises to $525$m, which of the villages $P, Q, R, S, T$ get submerged? $P, Q$ $P, Q, T$ $R, S, T$ $Q, R, S$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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33

GATE Electrical 2017 Set 1 | GA Question: 9
Arun, Gulab, Neel and Shweta must choose one shirt each from a pile of four shirts coloured Red, Pink, Blue and White respectively. Arun dislikes the colour red and Shweta dislikes the colour white. Gulab and Neel like all the colours. In how many different ... the shirts so that no one has a shirt with a colour he or she dislikes? $21$ $18$ $16$ $14$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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34

GATE Electrical 2017 Set 1 | GA Question: 8
The expression $\frac{(x+y)-|x-y|}{2}$ is equal to The maximum of $x$ and $y$ The minimum of $x$ and $y$ $1$ None of the above.

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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35

GATE Electrical 2017 Set 1 | GA Question: 5
The probability that a $k$-digit number does NOT contain the digits $0, 5$ or $9$ is $0.3^{k}$ $0.6^{k}$ $0.7^{k}$ $0.9^{k}$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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0 answers

36

GATE Electrical 2017 Set 1 | GA Question: 4
Find the smallest number $y$ such that $y \times 162$ is a perfect cube. $24$ $27$ $32$ $36$

Arjun asked in Quantitative Aptitude Feb 27, 2017

by Arjun

9.3k points

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37

GATE Electrical 2013 | Question: 63
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 $(-\infty ,0)$ $(0,1)$ $(1,\infty )$ $(0,\infty )$

piyag476 asked in Quantitative Aptitude Feb 12, 2017

by piyag476

1.5k points

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38

GATE Electrical 2013 | Question: 65
Find the sum to $n$ terms of the series $10+84+ 734 +\dots $ $\dfrac{9(9^n+1)}{10}+1 \\$ $\dfrac{9(9^n-1)}{8}+1 \\$ $\dfrac{9(9^n-1)}{8}+n \\$ $\dfrac{9(9^n-1)}{8}+n^2$

piyag476 asked in Quantitative Aptitude Feb 12, 2017

by piyag476

1.5k points

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39

GATE Electrical 2013 | Question: 64
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 $30$ $36$ $40$ $24$

piyag476 asked in Quantitative Aptitude Feb 12, 2017

by piyag476

1.5k points

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40

GATE Electrical 2013 | Question: 61
What is the chance that a leap year, selected at random, will contain $53$ Saturdays? $2/7$ $3/7$ $1/7$ $5/7$

piyag476 asked in Quantitative Aptitude Feb 12, 2017

by piyag476

1.5k points