Recent questions and answers in Numerical Ability

+1 vote

2 answers

1

UGCNET-June-2019-I-32
Consider the following table that shows the number (in lakhs) of different sizes of LED television sets sold by a company over the last seven years from $2012$ to $2018$. Answer the question based on the data contained in the table: Sale of LED Television ... seven years the maximum? $22$ - inch Television $24$ - inch Television $32$ - inch Television $49$ - inch Television

answered 2 days ago in Numerical Ability by 1manoj (17 points) | 22 views

+2 votes

4 answers

2

GATE2017 CE-2: GA-4
What is the value of $x$ when $81\times\left (\frac{16}{25} \right )^{x+2}\div\left (\frac{3}{5} \right )^{2x+4}=144?$ $1$ $-1$ $-2$ $\text{Can not be determined}$

answered 3 days ago in Numerical Ability by techbd123 Active (1k points) | 75 views

+2 votes

1 answer

3

UGC NET p1sep2013
The world population growth rate at a certain reference year was 3.5%. Assuming exponential growth of population, after how many years, the population of the world would have increased by a factor 16 ? (A) ~ 80 years (B) ~ 40 years (C) ~ 160 years (D) ~ 320 years Answer: A could you please explain the step?

answered 4 days ago in Numerical Ability by raju paul (311 points) | 708 views

0 votes

1 answer

4

Aptitude: Time, Speed and Distance
Sneha is picked up by her father by car from college everyday. The college gets over at 4 p.m. daily. One day, the college got over an hour earlier than usual. Sneha started walking towards her house. Her father, unaware of this fact., leaves his house as ... . What is the ratio of the father's speed to sneha speed. I think it should be 8:1 but the anwser is 7:1.

answered 4 days ago in Numerical Ability by raju paul (311 points) | 496 views

+13 votes

4 answers

5

GATE2015-2-GA-7
Four branches of a company are located at $M$, $N$, $O$ and $P$. $M$ is north of $N$ at a distance of $4 km$; $P$ is south of $O$ at a distance of $2$ $km$; $N$ is southeast of O by $1 km$. What is the distance between $M$ and $P$ in $km$? $5.34$ $6.74$ $28.5$ $45.49$

answered Oct 2 in Numerical Ability by JashanArora Junior (663 points) | 4.3k views

+9 votes

2 answers

6

GATE2010-64
$5$ 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 it will take to build the wall? $20$ days $18$ days $16$ days $15$ days

answered Oct 2 in Numerical Ability by shivam001 (391 points) | 2.2k views

+13 votes

3 answers

7

GATE2015-3-GA-5
A function $f(x)$ is linear and has a value of 29 at $x=-2$ and 39 at $x=3$. Find its value at $x=5$. $59$ $45$ $43$ $35$

answered Sep 29 in Numerical Ability by techbd123 Active (1k points) | 2k views

+5 votes

3 answers

8

GATE2015 EC-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$?$

answered Sep 29 in Numerical Ability by shivam001 (391 points) | 1.6k views

0 votes

2 answers

9

RS Aggrawal
Sam leaves home between 7 am and 8 am and returns between 1 pm and 2 pm to find that the minute and hour hands have interchanged their positions. How long was Sam out of the house? Plz include the explanation for ur answer.

answered Sep 28 in Numerical Ability by raju paul (311 points) | 67 views

+10 votes

5 answers

10

GATE2014 EC-1: GA-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 $1/5$th of the exports? $2005$ $2004$ $2007$ $2006$

answered Sep 26 in Numerical Ability by shivam001 (391 points) | 796 views

+2 votes

1 answer

11

TIFR2013-B-2
Consider polynomials in a single variable $x$ of degree $d$. Suppose $d < n/2$. For such a polynomial $p(x)$, let $C_{p}$ denote the $n$-tuple $(P\left ( i \right ))_{1 \leq i \leq n}$. For any two such distinct polynomials $p, q,$ the number of coordinates where the ... $d$ At most $n - d$ Between $d$ and $n - d$ At least $n - d$ None of the above.

answered Sep 26 in Numerical Ability by Yash4444 Junior (601 points) | 119 views

0 votes

1 answer

12

ISI2017-MMA-10
The inequality $\mid x^2 -5x+4 \mid > (x^2-5x+4)$ holds if and only if $1 < x < 4$ $x \leq 1$ and $x \geq 4$ $1 \leq x \leq 4$ $x$ takes any value except $1$ and $4$

answered Sep 26 in Numerical Ability by raju paul (311 points) | 12 views

0 votes

1 answer

13

ISI2017-MMA-11
The digit in the unit's place of the number $2017^{2017}$ is 1 3 7 9

answered Sep 25 in Numerical Ability by raju paul (311 points) | 15 views

0 votes

1 answer

14

ME FT1
Three taps A, B and C can fill a cistern in 20, 24 and 30 hours respectively. On a given day, tap A is opened at 6:00 AM to fill the empty cistern. Tap B is also opened after two hours and tap C is opened another two hours later. When all three taps have been ... B is required to be closed. The minutes from start, after which tap A should be closed so that the cistern is full at 8:00 PM is .

answered Sep 23 in Numerical Ability by raju paul (311 points) | 61 views

+1 vote

1 answer

15

ISI2018-MMA-1
The number of isosceles (but not equilateral) triangles with integer sides and no side exceeding $10$ is $65$ $75$ $81$ $90$

answered Sep 22 in Numerical Ability by raju paul (311 points) | 17 views

+1 vote

5 answers

16

Find the missing number. Need answer with explanation
15, 22, 36, 64, ?, 232

answered Sep 21 in Numerical Ability by Pratap Kumar (11 points) | 901 views

+4 votes

4 answers

17

GATE2012-65
Given the sequence of terms, $AD$ $CG$ $FK$ $JP$, the next term is $OV$ $OW$ $PV$ $PW$

answered Sep 16 in Numerical Ability by abhayk (163 points) | 830 views

+1 vote

2 answers

18

GATE2019 EE: GA-3
The missing number in the given sequence $343,1331,$_____$,4913$ is $3375$ $2744$ $2197$ $4096$

answered Sep 16 in Numerical Ability by abhayk (163 points) | 68 views

+1 vote

3 answers

19

GATE2018 ME-1: GA-3
Seven machines take $7$ minutes to make $7$ identical toys. At the same rate, how many minutes would it take for $100$ machine to make $100$ toys? $1$ $7$ $100$ $700$

answered Sep 15 in Numerical Ability by chirudeepnamini Active (1.3k points) | 165 views

+3 votes

3 answers

20

GATE2010 TF: GA-5
Consider the function $f(x)=\max(7-x,x+3).$ In which range does $f$ take its minimum value$?$ $-6\leq x<-2$ $-2\leq x<2$ $2\leq x<6$ $6\leq x<10$

answered Sep 15 in Numerical Ability by techbd123 Active (1k points) | 96 views

+1 vote

4 answers

21

GATE2019 EE: GA-10
Consider five people- Mita, Ganga, Rekha, Lakshmi, and Sana. Ganga is taller than both Rekha and Lakshmi. Lakshmi is taller than Sana. Mita is taller than Ganga. Which of the following conclusions are true? Lakshmi is taller than Rekha Rekha is shorter than Mita Rekha is taller than Sana Sana is shorter than Ganga $1$ and $3$ $3$ only $2$ and $4$ $1$ only

answered Sep 14 in Numerical Ability by Rudr Pawan (121 points) | 66 views

+2 votes

2 answers

22

UGCNET-June-2019-I-25
A sum of money doubles at compund interest in 6 years. In how many years it will become $16$ times? $16$ years $24$ years $48$ years $96$ years

answered Sep 14 in Numerical Ability by Rudr Pawan (121 points) | 72 views

+1 vote

3 answers

23

UGCNET-June-2019-I-22
For all integers $y>1, \: \langle y \rangle = 2y+(2y-1)+(2y-2) + \dots +1$. What is the value of $\langle 3 \rangle \times \langle 2 \rangle $? Where $\times$ is a multiplication operator? $116$ $210$ $263$ $478$

answered Sep 14 in Numerical Ability by Rudr Pawan (121 points) | 104 views

+2 votes

3 answers

24

GATE2015 CE-2: GA-7
The given question is followed by two statements; select the most appropriate option that solves the question. Capacity of a solution tank $A$ is $\text{70%}$ of the capacity of tank $B$. How many gallons of solution are in tank $A$ and ... . Statement II alone is sufficient. Either statement I or II alone is sufficient. Both the statements I and II together are sufficient.

answered Sep 14 in Numerical Ability by chirudeepnamini Active (1.3k points) | 1k views

+2 votes

2 answers

25

TIFR2019-A-11
Suppose there are $n$ guests at a party (and no hosts). As the night progresses, the guests meet each other and shake hands. The same pair of guests might shake hands multiple times. for some parties stretch late into the night , and it is hard to keep track.Still, they don't shake ... $2 \mid \text{Even} \mid - \mid \text{Odd} \mid$ $2 \mid \text{Odd} \mid - \mid \text{Even} \mid$

answered Sep 13 in Numerical Ability by chirudeepnamini Active (1.3k points) | 245 views

0 votes

3 answers

26

GATE2018 CE-1: GA-10
Each of the letters arranged as below represents a unique integer from $1$ to $9.$ The letters are positioned in the figure such that $(A \times B \times C), (B \times G \times E)$ and $(D \times E \times F)$ are equal. Which integer among the following choices cannot be represented by the letters $A, B, C, D, E, F \ or \ G?$ A D B G E C F $4$ $5$ $6$ $9$

answered Sep 13 in Numerical Ability by chirudeepnamini Active (1.3k points) | 90 views

+5 votes

2 answers

27

TIFR2012-A-6
A certain pair of used shoes can be repaired for $Rs.1250$ and will last for $1$ year. A pair of the same kind of shoes can be purchased new for $Rs.2800$ and will last for $2$ years. The average cost per year of the new shoes is what percent greater than the cost of repairing the used shoes? $5%$ $12%$ $15%$ $3%$ $24%$

answered Sep 12 in Numerical Ability by chirudeepnamini Active (1.3k points) | 167 views

0 votes

1 answer

28

NIELIT SB_2018_8
A software engineer has the capability of thinking 200 lines of code in five minutes and can type 200 lines of code in 10 minutes. He takes a break for five minutes after every ten minutes. How many lines of code will he complete typing after an hour? (1) 200 (2) 300 (3) 400 (4) 500

answered Sep 10 in Numerical Ability by Yash4444 Junior (601 points) | 91 views

0 votes

2 answers

29

GATE2019 ME-2: GA-3
If IMHO=JNIP; IDK=JEL; and SO=TP, then IDC=______ JDE JED JDC JCD

answered Sep 8 in Numerical Ability by abhayk (163 points) | 64 views

+2 votes

6 answers

30

UGCNET-June-2019-I-23
If $152$ is divided into four parts proportional at $3$, $4$, $5$ and $7$, then the smallest part is $29$ $26$ $25$ $24$

answered Sep 8 in Numerical Ability by abhayk (163 points) | 119 views

+15 votes

3 answers

31

GATE2011-64
A transporter receives the same number of orders each day. Currently, he has some pending orders (backlog) to be shipped. If he uses $7$ trucks, then at the end of the $4^{th}$ day he can clear all the orders. Alternatively, if he uses only $3$ trucks, then all the orders ... number of trucks required so that there will be no pending order at the end of $5^{th}$ day? $4$ $5$ $6$ $7$

answered Sep 6 in Numerical Ability by JashanArora Junior (663 points) | 3.1k views

+9 votes

4 answers

32

GATE2014-1-GA-8
Round-trip tickets to a tourist destination are eligible for a discount of $10\%$ on the total fare. In addition, groups of $4$ or more get a discount of $5\%$ on the total fare. If the one way single person fare is $Rs$ $100$, a group of $5$ tourists purchasing round-trip tickets will be charged $Rs$ __________

answered Sep 4 in Numerical Ability by bhupendrakumar (45 points) | 2.2k views

+10 votes

2 answers

33

GATE2014-1-GA-4
If $\large\left(z + \dfrac{1}{z}\right)^{2}= 98$, compute $\large \left(z^{2} +\dfrac{1}{z^{2}}\right)$.

answered Sep 4 in Numerical Ability by bhupendrakumar (45 points) | 1k views

+8 votes

2 answers

34

GATE2014 AE: GA-4
If $y=5x^2+3$, then the tangent at $x=0$, $y=3$ passes through $x=0,y=0$ has a slope of $+1$ is parallel to the $x$-axis has a slope of $-1$

answered Sep 4 in Numerical Ability by amarsharma (39 points) | 1.2k views

+1 vote

3 answers

35

UGCNET-July-2018-II-75
Consider a vocabulary with only four propositions A, B, C and D. How many models are there for the following sentence? $B \vee C$ 10 12 15 16

answered Aug 21 in Numerical Ability by GoalSet1 (189 points) | 259 views

0 votes

1 answer

36

How to solve this question.
x = 5 + 2$\sqrt{6}$. Find $\frac{x-1}{\sqrt{x}}$

answered Aug 18 in Numerical Ability by sanku surya (45 points) | 112 views

0 votes

2 answers

37

MadeEasy Test Series 2019: General Aptitude - Speed Time Distance
A ball thrown upward satisfy the equation s=160 t - 20 t^2, where S is in m (meter) and t is in sec. what is the maximum height achieved by the ball ? (a) 80 (b) 160 (c) 240 (d) 320 According to me.. Here s=height ... have a velocity of zero (since it will stop at the highest point). So, v=0 than can anyone tell me where I am wrong ?

answered Aug 17 in Numerical Ability by sanku surya (45 points) | 280 views

0 votes

1 answer

38

Algebra
If p(n+1)+p(n-1)=p(n) for every natural number ‘n’then for what values of natural number ‘a’ will p(n+a)=-p(n) a)3 b)2 c)4 d)6

answered Aug 17 in Numerical Ability by sanku surya (45 points) | 60 views

+1 vote

2 answers

39

GATE2019 ME-1: GA-4
The sum and product of two integers are $26$ and $165$ respectively. The difference between these two integers is ______ $2$ $3$ $4$ $6$

answered Aug 17 in Numerical Ability by sanku surya (45 points) | 82 views

+2 votes

2 answers

40

GATE2019 ME-1: GA-7
A person divided an amount of Rs. $100,000$ into two parts and invested in two different schemes. In one he got $10 \%$ profit and in the other he got $12 \%$. If the profit percentages are interchanged with these investments he would have got Rs. $120$ less. Find the ratio between his investments in the two schemes. $9:16$ $11:14$ $37:63$ $47:53$

answered Aug 17 in Numerical Ability by sanku surya (45 points) | 72 views

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