Recent questions and answers in Numerical Ability

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1

GATE2019 EC: GA-3
It would take one machine $4$ hours to complete a production order and another machine $2$ hours to complete the same order. If both machines work simultaneously at their respective constant rates, the time taken to complete the same order is ________ hours. $2/3$ $3/4$ $4/3$ $7/3$

answered Jul 23 in Numerical Ability by Debdeep1998 (180 points)

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GATE2017 EC-1: GA-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. The path from $P$ to $Q$ is best described by Up-Down-Up-Down Down-Up-Down-Up Down-Up-Down Up-Down-Up

answered Jul 23 in Numerical Ability by Debdeep1998 (180 points)

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GATE2019 EC: GA-4
Five different books $(P, Q, R, S, T)$ are to be arranged on a shelf. The books $R$ and $S$ are to be arranged first and second, respectively from the right side of the shelf. The number of different orders in which $P, Q$ and $T$ may be arranged is ______. $2$ $6$ $12$ $120$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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4

GATE2019 EC: GA-6
Four people are standing in a line facing you. They are Rahul, Mathew, Seema and Lohit. One is an engineer, one is a doctor, one a teacher and another a dancer. You are told that: Mathew is not standing next to Seema There are two people standing ... Seema is turning to her right to speak to the doctor standing next to her Who among them is an engineer? Seema Lohit Rahul Mathew

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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5

GATE2019 EC: GA-7
The bar graph in panel (a) shows the proportion of male and female illiterates in $2001$ and $2011.$ The proportions of males and females in $2001$ and $2011$ are given in Panel (b) and (c), respectively. The total population did not change during this period. The percentage increase in the total number of literates from $2001$ to $2011$ is ______. $30.43$ $33.43$ $34.43$ $35.43$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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6

GATE2019 EC: GA-9
Two design consultants, $P$ and $Q,$ started working from $8$ AM for a client. The client budgeted a total of USD $3000$ for the consultants. $P$ stopped working when the hour hand moved by $210$ degrees on the clock. $Q$ stopped working when the hour ... . After paying the consultants, the client shall have USD _______ remaining in the budget. $000.00$ $166.67$ $300.00$ $433.33$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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7

GATE2016-3-GA-1
An apple costs Rs.$10.$ An onion costs Rs.$8.$ Select the most suitable sentence with respect to grammar and usage. The price of an apple is greater than an onion. The price of an apple is more than onion. The price of an apple is greater than that of an onion. Apples are more costlier than onions.

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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8

GATE2016-3-GA-3
$M$ has a son $Q$ and a daughter $R.$ He has no other children. $E$ is the mother of $P$ and daughter-in-law of $M.$ How is $P$ related to $M?$ $P$ is the son-in-law of $M$ $P$ is the grandchild of $M$ $P$ is the daughter-in-law of $M$ $P$ is the grandfather of $M$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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9

GATE2016-3-GA-4
The number that least fits this set$:(324,441,97$ and $64)$ is ________ $324$ $441$ $97$ $64$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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10

GATE2016-3-GA-5
It takes $10s$ and $15s,$ respectively, for two trains traveling at a different constant speed to completely pass a telegraph post. The length of the first train is $120m$ and that of the second train is $150m.$ The magnitude of the difference in the speeds of the two trains (in m/s) is _________ $2.0$ $10.0$ $12.0$ $22.0$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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11

GATE2016-3-GA-8
A flat is shared by four first-year undergraduate students. They agreed to allow the oldest of them to enjoy some extra space in the flat. Manu is two months older than Sravan, who is three months younger than Trideep. Pavan is one month older than Sravan. Who should occupy the extra space in the flat? Manu Sravan Trideep Pavan

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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12

GATE2016-3-GA-9
Find the area bounded by the lines $3x+2y=14,2x-3y=5$ in the first quadrant. $14.95$ $15.25$ $15.70$ $20.35$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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13

GATE2016-3-GA-10
A straight line is fit to a data set $(ln x,y).$ This line intercepts the abscissa at $ln x =0.1$ and has a slope of $-0.02.$ What is the value of $y$ at $x=5$ from the fit? $-0.030$ $-0.014$ $0.014$ $0.030$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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14

GATE2015-3-GA-5
If $x>y>1,$ which of the following must be true? $lnx>lny$ $e^{x}>e^{y}$ $y^{x}>x^{y}$ $cosx>csoy$ $(i)$ and $(ii)$ $(i)$ and $(iii)$ $(iii)$ and $(iv)$ $(ii)$ and $(iv)$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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15

GATE2015-3-GA-8
From a circular sheet of paper of radius $30$ cm, a sector of $10\%$ area is removed. If the remaining part is used to make a conical surface, then the ratio of the radius and height of the cone is ________.

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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16

GATE2015-3-GA-9
$log$ $tan1^{\circ}+$ $log$ $tan2^{\circ}+……….+$ $log$ $tan89^{\circ}$ is $…….$ $1$ $\frac{1}{\sqrt{2}}$ $0$ $-1$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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17

GATE2015-3-GA-10
Ms. $X$ will be in Bagdogra from $01/05/2014$ to $20/05/2014$ and from $22/05/2014$ to $31/05/2014.$ On the morning of $21/05/2014,$ she will reach Kochi via Mumbai. Which one of the statements below is logically valid and can be inferred from the above sentences? Mr. ... day in May. Ms. $X$ will be only in Kochi for one day in May. Only Ms. $X$ will be in Kochi for one day in May.

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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18

GATE2015-2-GA-4
An electric bulb has onboard instruments that report the total electricity consumed since the start of the trip as well as the total distance covered. During a single day of operation, the bus travels on stretches $M, N, O,$ and $P,$ in that order. The cumulative distance ... 12 N 45 25 O 75 45 P 100 57 The stretches where the electricity consumption per $km$ is minimum is M N O P

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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19

GATE2015-2-GA-5
Ram and Ramesh appeared in an interview for two vacancies in the same department. The probability of Ram's selection is $1/6$ and of Ramesh is $1/8$. What is the probability that only one of them will be selected? $47/48$ $1/4$ $13/48$ $35/48$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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20

GATE2015-2-GA-8
A tiger is $50$ leaps of its own behind a tree. The tiger takes $5$ leaps per minute to the deer's $4.$ If the tiger and the deer cover $8$ meter and $5$ meter per leap respectively, what distance in meters will the tiger have to run before it catches the deer?

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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21

GATE2015-1-GA-4
Operators $\square,$ $\Diamond$ and $\rightarrow$ are defined by: $a\,\square\,b=\frac{a+b}{a-b};\, a\,\Diamond, b=\frac{a+b}{a-b};$ $a\,\rightarrow\, b=ab.$ Find the value of $(66\,\square\, 6)\rightarrow(66\,\Diamond, 6).$ $-2$ $-1$ $1$ $2$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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22

GATE2015-1-GA-5
If $\log_{x}{(\frac{5}{7})}=\frac{-1}{3},$ then the value of $x$ is $343/125$ $25/343$ $-25/49$ $-49/25$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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23

GATE2015-1-GA-8
Fill in the missing value

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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24

GATE2015-1-GA-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. $1:4$ $1:3$ $1:2$ $2:3$

asked Mar 28, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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25

GATE2014-4-GA-4
Let $f(x,y)=x^n y^m=P$ If $x$ is doubled and $y$ is halved, the new value of $f$ is $2^{n-m}P$ $2^{m-n}P$ $2(n-m)P$ $2(m-n)P$

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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26

GATE2014-4-GA-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?

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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27

GATE2014-4-GA-6
Find the next term in the sequence: $13M, 17Q, 19S$, ___ $21W$ $21V$ $23W$ $23V$

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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28

GATE2014-4-GA-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. $5.6$ $7.2$ $10.0$ $12.2$

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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29

GATE2014-4-GA-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 ... % and all other expenses increased by $20$%. What is the percentage increase in total cost for the company in $2013$?

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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30

GATE2014-4-GA-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? $6666660$ $6666600$ $6666666$ $6666606$

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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31

GATE2014-3-GA-4
The next term in the series $81, 54, 36, 24$, … is ________

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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32

GATE2014-3-GA-5
In which of the following options will the expression P < M be definitely true? M < R > P > S M > S < P < F Q < M < F = P P = A < R < M

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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33

GATE2014-3-GA-6
Find the next term in the sequence: $7G, 11K, 13M$,____ $15Q$ $17Q$ $15P$ $17P$

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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34

GATE2014-3-GA-7
The multi-level hierarchical pie chart shows the population of animals in a reserve forest. The correct conclusions from this information are: $(i)$ Butterflies are birds $(ii)$ There are more tigers in this forest than red ants $(iii)$ ... $(iv)$ $(i)$, $(iii)$ and $(iv)$ only $(i)$, $(ii)$ and $(iii)$ only

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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35

GATE2014-3-GA-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.

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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36

GATE2014-3-GA-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 $2012$ ... registered a profit of Rs. $10$ lakhs in $2012$, at what price (in $Rs$.) was each air purifier sold?

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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37

GATE2014-3-GA-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 ________

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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38

GATE2014-2-GA-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: $1$ → $0.167$; $2$ → $0.167$; $3$ → $0.152$; $4$ → $0.166$; $5$ → $0.168$; $6$ → $0.180$. We call this die irregular biased Gaussian insufficient

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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39

GATE2014-2-GA-5
Fill in the missing number in the series. $2$ $3$ $6$ $15$ __________ $157.5$ $630$

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)

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40

GATE2014-2-GA-6
Find the odd one in the following group Q,W,Z,B B,H,K,M W,C,G,J M,S,V,X Q,W,Z,B B,H,K,M W,C,G,J M,S,V,X

asked Mar 26, 2018 in Numerical Ability by Milicevic3306 (15.7k points)