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Recent questions and answers in Numerical Ability
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UGCNETJuly2018II75
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
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How to solve this question.
x = 5 + 2$\sqrt{6}$. Find $\frac{x1}{\sqrt{x}}$
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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 ?
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Algebra
If p(n+1)+p(n1)=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
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algebra
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5
GATE2019 ME1: GA4
The sum and product of two integers are $26$ and $165$ respectively. The difference between these two integers is ______ $2$ $3$ $4$ $6$
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Aug 17
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GATE2019 ME1: GA7
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
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sanku surya
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7
Aptitude Doubt
The least number of five digits which is exactly divisible by 12,15 and 18 is: a)10080 b)10800 c)18000 d)81000
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Aug 14
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STUDYGATE2019
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67
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8
Square Root Aptitude Doubt
Please help with this question: $(\sqrt{243}+3)^x+(\sqrt{243}3)^x=15^x$.
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Aug 14
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STUDYGATE2019
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119
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generalaptitude
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9
GATE2019 ME2: GA7
Two pipes $P$ and $Q$ can fill a tank in $6$ hours and $9$ hours respectively, while a third pipe $R$ can empty the tank in $12$ hours. Initially, $P$ and $R$ are open for $4$ hours, Then $P$ is closed and $Q$ is opened. After $6$ more hours $R$ is closed. The total time taken to fill the tank (in hours) is ____ $13.50$ $14.50$ $15.50$ $16.50$
answered
Aug 13
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307
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59
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gate2019me2
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worktime
+3
votes
2
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10
TIFR2014A2
A body at a temperature of $30$ Celsius is immersed into a heat bath at $0$ Celsius at time $t = 0$. The body starts cooling at a rate proportional to the temperature difference. Assuming that the heat bath does not change in temperature throughout the process, calculate the ratio of the time ... $\dfrac{\log 29}{\log 25}$. $\large e^{5}$. $1 + \log_{6} 5$. None of the above.
answered
Aug 9
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Veenit
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141
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tifr2014
numericalability
ratioproportion
+1
vote
5
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11
UGCNETJune2019I23
If $152$ is divided into four parts proportional at $3$, $4$, $5$ and $7$, then the smallest part is $29$ $26$ $25$ $24$
answered
Aug 9
in
Numerical Ability
by
rjRahul Singh
(
11
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83
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ugcnetjune2019i
generalaptitude
numericalability
+2
votes
2
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12
GATE2018 EE: GA4
For what values of $k$ given below is $\dfrac{(k + 2)^2}{(k  3)}$ an integer? $4, 8, 18$ $4, 10, 16$ $4, 8, 28$ $8, 26, 28$
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Aug 9
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Veenit
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gate2018ee
generalaptitude
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quadraticequations
0
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13
GATE2019 EC: GA7
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 ______. $30.43$ $33.43$ $34.43$ $35.43$
answered
Jul 24
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gate2019ec
numericalability
datainterpretation
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14
GATE2019 EE: GA6
How many integers are there between $100$ and $1000$ all of whose digits are even? $60$ $80$ $100$ $90$
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Jul 17
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gate2019ee
generalaptitude
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arithmeticseries
+3
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3
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15
TIFR2010MathsA3
The last digit of $2^{80}$ is.. 2 4 6 8
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Jul 7
in
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tournesol
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21
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235
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tifrmaths2010
numericalability
0
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1
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16
UGCNETJune2019I35
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 ... all the seven years the minimum? $22$ inch Television $24$ inch Television $49$ inch Television $40$ inch Television
answered
Jul 6
in
Numerical Ability
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Ram Swaroop
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14
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ugcnetjune2019i
generalaptitude
numericalability
0
votes
1
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17
UGCNETJune2019I34
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 sets (in ... sale of Television sets of size $49$inches (in lakhs) over all the seven years? $912$ $896$ $879$ $869$
answered
Jul 6
in
Numerical Ability
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Ram Swaroop
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ugcnetjune2019i
generalaptitude
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18
UGCNETJune2019I33
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 sets (in lakhs) of ... $2013$ and $2018$ $1,600,000$ $1,500,000$ $15,000,000$ $16,000,000$
answered
Jul 6
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Ram Swaroop
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14
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ugcnetjune2019i
generalaptitude
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0
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19
UGCNETJune2019I31
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 sets (in lakhs) of ... $32$inch LED Television sets in 2017 compared to that in 2013? $36 \%$ $56 \%$ $57 \%$ $64 \%$
answered
Jul 6
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Numerical Ability
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Ram Swaroop
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(
4k
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19
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ugcnetjune2019i
generalaptitude
numericalability
0
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1
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20
UGCNETJune2019I32
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
Jul 6
in
Numerical Ability
by
Ram Swaroop
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4k
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13
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ugcnetjune2019i
generalaptitude
numericalability
+1
vote
1
answer
21
UGCNETJune2019I25
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
Jul 4
in
Numerical Ability
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Satbir
Boss
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17.4k
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45
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ugcnetjune2019i
generalaptitude
numericalability
0
votes
1
answer
22
UGCNETJune2019I27
Given below are two premises with four conclusions drawn from them. Which of the following conclusions could be validly drawn from the premises? Premises: No paper is pen Some paper are handmade Conclusions: All paper are handmade Some handmade are pen Some handmade are not pen All handmade are paper
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Jul 4
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ugcnetjune2019i
generalaptitude
numericalability
+1
vote
2
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23
UGCNETJune2019I24
In a new budget, the price of petrol rose by $25\%$. By how much percent must a person reduce his consumption so that his expenditure on it does not increase? $10\%$ $15\%$ $20\%$ $25\%$
answered
Jul 4
in
Numerical Ability
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Lakshman Patel RJIT
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45.8k
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48
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ugcnetjune2019i
generalaptitude
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+1
vote
2
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24
UGCNETJune2019I22
For all integers $y>1, \: \langle y \rangle = 2y+(2y1)+(2y2) + \dots +1$. What is the value of $\langle 3 \rangle \times \langle 2 \rangle $? Where $\times$ is a multiplication operator? $116$ $210$ $263$ $478$
answered
Jul 4
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Numerical Ability
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Lakshman Patel RJIT
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45.8k
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57
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ugcnetjune2019i
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+3
votes
2
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25
TIFR2015A9
Consider a square of side length $2$. We throw five points into the square. Consider the following statements: There will always be three points that lie on a straight line. There will always be a line connecting a pair of points such that two points lie on one side of the line and one ... above is true: $(i)$ only. $(ii)$ only. $(iii)$ only. $(ii)$ and $(iii)$. None of the above.
answered
Jun 20
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Arjun
Veteran
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262
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tifr2015
geometry
numericalability
easy
+1
vote
3
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26
TIFR2018A11
We are given a (possibly empty) set of objects. Each object in the set is colored either black or white, is shaped either circular or rectangular, and has a profile that is either fat or thin, Those properties obey the following principles: Each white object is also circular ... $(i) \text{ and } (iii)$ only None of the statements must be TRUE All of the statements must be TRUE
answered
Jun 19
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Arjun
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277
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tifr2018
numericalability
logicalreasoning
+6
votes
5
answers
27
TIFR2013A20
Consider a well functioning clock where the hour, minute and the seconds needles are exactly at zero. How much time later will the minutes needle be exactly one minute ahead ($1/60$ th of the circumference) of the hours needle and the seconds needle again exactly at ... multiple of $1/60$ th of the circumference. $144$ minutes $66$ minutes $96$ minutes $72$ minutes $132$ minutes
answered
Jun 18
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515
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386
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tifr2013
numericalability
clocktime
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6
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28
GATE20142GA10
At what time between $6$ a. m. and $7$ a. m. will the minute hand and hour hand of a clock make an angle closest to $60°$? $6: 22$ a.m. $6: 27$ a.m. $6: 38$ a.m. $6: 45$ a.m.
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Jun 18
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Numerical Ability
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29
TIFR2013A5
The late painter Maqbool Fida Husain once coloured the surface of a huge hollow steel sphere, of radius $1$ metre, using just two colours, Red and Blue. As was his style however, both the red and blue areas were a bunch of highly irregular disconnected regions. The late ... $11 sq. metres$; None of the above.
answered
Jun 17
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srestha
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113k
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741
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tifr2013
geometry
numericalability
+11
votes
5
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30
GATE2018GA10
A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment? Three green faces and four red faces. Four green faces and three red faces. Five green faces and two red faces. Six green faces and one red face
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Jun 17
in
Numerical Ability
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515
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4.3k
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gate2018
numericalability
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normal
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2
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31
TIFR2015A15
Let $A$ and $B$ be nonempty disjoint sets of real numbers. Suppose that the average of the numbers in the first set is $\mu_{A}$ and the average of the numbers in the second set is $\mu_{B}$; let the corresponding variances be $v_{A}$ and $v_{B}$ ... $p.v_{A}+ (1  p). v_{B} + (\mu_{A} \mu_{B})^{2}$
answered
Jun 16
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Arjun
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416k
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tifr2015
statistics
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vote
1
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32
TIFR2019A10
Avni and Badal alternately choose numbers from the set $\{1,2,3,4,5,6,7,8,9\}$ without replacement (starting with Avni). The first person to choose numbers of which any $3$ sum to $15$ wins the game (for example, Avni wins if she chooses ... a winning strategy Both of them have a winning strategy Neither of them has a winning strategy The Player that picks $9$ has a winning strategy
answered
Jun 16
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Arjun
Veteran
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416k
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238
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tifr2019
generalaptitude
numericalability
logicalreasoning
0
votes
2
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33
GATE2010 TF: GA5
Consider the function $f(x)=\max(7x,x+3).$ 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
Jun 14
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Numerical Ability
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Lakshman Patel RJIT
Boss
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45.8k
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generalaptitude
numericalability
gate2010tf
maximaminima
functions
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34
TIFR2019B14
Let $m$ and $n$ be two positive integers. Which of the following is NOT always true? If $m$ and $n$ are coprime, there exist integers $a$ and $b$ such that $am + bn=1$ $m^{n1} \equiv 1 (\text{ mod } n)$ ... $m+1$ is a factor of $m^{n(n+1)}1$ If $2^n 1$ is prime, then $n$ is prime
answered
Jun 10
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Numerical Ability
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Lakshman Patel RJIT
Boss
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45.8k
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244
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tifr2019
generalaptitude
numericalability
modulararithmetic
+5
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2
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35
TIFR2011A13
If $z=\dfrac{\sqrt{3}i}{2}$ and $\large(z^{95}+ i^{67})^{97}= z^{n}$, then the smallest value of $n$ is? $1$ $10$ $11$ $12$ None of the above.
answered
Jun 10
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tifr2011
numericalability
complexnumber
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36
Self doubt on probability
An element is to be inserted in an array and the probability that it has been entered correctly is 0.9. Find the probability that the sorting algorithm worked correctly. How to solve this type of questions?
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Jun 5
in
Numerical Ability
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Indranil Pradhan
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47
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74
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0
votes
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37
Profit and loss Self doubt
The marked price of a table is Rs. 1200, which is 20% above the cost price. It is sold at a discount of 10% on the marked price. Find the profit percent. (a) 10% (b) 8% (c) 7.5% (d) 6% What approach can I use for these type of questions?
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Jun 4
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Gitika Babbar
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147
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68
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profitloss
costmarketprice
numericalability
generalaptitude
0
votes
1
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38
Self doubt in percentage and mixtures
In a mixture of 80 litres of milk and water, 25% of the mixture is milk. How much water should be added to the mixture so that milk becomes 20% of the mixture? (a) 20 litres (b) 15 litres (c) 25 litres (d) None of these
asked
Jun 3
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Numerical Ability
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Gitika Babbar
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147
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33
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0
votes
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39
Self doubt in percentage
In Medical certificate, by mistake a candidate gave his height as 25% more than normal. In the interview panel,he clarified his height was 5 feet 5inches. Find the percentage correction made by the candidate from his stated height to his actual height. 20 28.56 25 None of these
asked
Jun 3
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Gitika Babbar
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147
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37
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40
Aptitude Self Doubt
If altitude of equilateral triangle is given, then what is formula to find area of it??
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Jun 2
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srestha
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numericalability
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