Recent questions tagged numerical-ability

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2 answers

1

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?

asked Jun 4 in Numerical Ability by Gitika Babbar (119 points) | 51 views

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0 answers

2

Aptitude Self Doubt
If altitude of equilateral triangle is given, then what is formula to find area of it??

asked Jun 2 in Numerical Ability by srestha Veteran (111k points) | 59 views

+1 vote

1 answer

3

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

asked May 31 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 64 views

0 votes

1 answer

4

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

asked May 28 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 72 views

0 votes

1 answer

5

GATE2011 MN: GA-64
Four archers P, Q, R, and S try to hit a bull's eye during a tournament consisting of seven rounds. As illustrated in the figure below, a player receives $10$ points for hitting the bull's eye, $5$ points for hitting within the inner circle and $1$ ... The most accurate and the most consistent players during the tournament are respectively P and S Q and R Q and Q R and Q

asked May 28 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 72 views

0 votes

1 answer

6

Made Easy Test Series:Aptitude
Chandan and Falguni work on alternet days. Chandan working on 1st day, Falguni on 2nd , then Chandan again by 3rd , followed by Falguni on 4th and so on. They can finish the work in $25$ days. The work done by chandan varies everyday. On a ... by Chandan on 1st day to done by Falguni on 2nd day$=1:4.$ The time require Falguni alone finish the work ____________ days

asked May 22 in Numerical Ability by srestha Veteran (111k points) | 36 views

0 votes

1 answer

7

Made Easy Test Series:General Aptitude-Circle
In a right angle triangle $ABC$ with vertex $B$ being the right angle, the mutually perpendicular sides $AB$ and $BC$ are $p$ cm. and $q$ cm. long respectively. If the length of hypotenuse is $\left ( p+q-6 \right )$ cm., then the radius of the largest possible circle that can be inscribe in the triangle is ____________

asked May 21 in Numerical Ability by srestha Veteran (111k points) | 43 views

0 votes

4 answers

8

GATE2017 CE-2: GA-9
Budhan covers a distance of $19$ km in $2$ hours by cycling one fourth of the time and walking the rest. The next day he cycles (at the same speed as before) for half the time and walks the rest (at the same speed as before) and covers $26$ km in $2$ hours. The speed in km/h at which Budhan walk is $1$ $4$ $5$ $6$

asked May 18 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 66 views

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2 answers

9

GATE2017 CE-2: GA-5
Two dice are thrown simultaneously. The probability that the product of the numbers appearing on the top faces of the dice is a perfect square is $\frac{1}{9}$ $\frac{2}{9}$ $\frac{1}{3}$ $\frac{4}{9}$

asked May 18 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 36 views

0 votes

2 answers

10

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

asked May 18 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 30 views

0 votes

3 answers

11

GATE2011 AG: GA-9
The fuel consumed by a motorcycle during a journey while traveling at various speeds is indicated in the graph below. The distances covered during four laps of the journey are listed in the table below ... the given data, we can conclude that the fuel consumed per kilometre was least during the lap $P$ $Q$ $R$ $S$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 69 views

0 votes

6 answers

12

GATE2011 AG: GA-8
Three friends, $R, S$ and $T$ shared toffee from a bowl. $R$ took $\frac{1}{3}^{\text{rd}}$ of the toffees, but returned four to the bowl. $S$ took $\frac{1}{4}^{\text{th}}$ of what was left but returned three toffees to the bowl. $T$ took ... returned two back into the bowl. If the bowl had $17$ toffees left, how may toffees were originally there in the bowl? $38$ $31$ $48$ $41$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 147 views

0 votes

1 answer

13

GATE2011 AG: GA-7
Given that $f(y)=\frac{ \mid y \mid }{y},$ and $q$ is non-zero real number, the value of $\mid f(q)-f(-q) \mid $ is $0$ $-1$ $1$ $2$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 39 views

0 votes

1 answer

14

GATE2011 AG: GA-6
The sum of $n$ terms of the series $4+44+444+ \dots \dots $ is $\frac{4}{81}\left[10^{n+1}-9n-1\right]$ $\frac{4}{81}\left[10^{n-1}-9n-1\right]$ $\frac{4}{81}\left[10^{n+1}-9n-10\right]$ $\frac{4}{81}\left[10^{n}-9n-10\right]$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 56 views

0 votes

6 answers

15

GATE2011 AG: GA-4
There are two candidates $P$ and $Q$ in an election. During the campaign, $40\%$ of the voters promised to vote for $P,$ and rest for $Q.$ However, on the day of election $15\%$ of the voters went back on their promise to vote for $P$ ... instead voted for $P.$ Suppose$,P$ lost by $2$ votes$,$ then what was the total number of voters? $100$ $110$ $90$ $95$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 72 views

0 votes

2 answers

16

GATE2010 TF: GA-10
A student is answering a multiple choice examination with $65$ questions with a marking scheme as follows$:$ $i)$ $1$ marks for each correct answer $,ii)$ $-\frac{1}{4}$ for a wrong answer $,iii)$ $-\frac{1}{8}$ for a question that has not been attempted ... gets $37$ marks in the test then the least possible number of questions the student has NOT answered is$:$ $6$ $5$ $7$ $4$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 26 views

+1 vote

2 answers

17

GATE2010 TF: GA-9
A tank has $100$ liters of water$.$ At the end of every hour, the following two operations are performed in sequence$:$ $i)$ water equal to $m\%$ of the current contents of the tank is added to the tank $, ii)$ water equal to $n\%$ of the current contents of the tank ... $100$ liters of water $.$ The relation between $m$ and $n$ is $:$ $m=n$ $m>n$ $m<n$ None of the previous

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 30 views

0 votes

2 answers

18

GATE2010 TF: GA-8
A gathering of $50$ linguists discovered that $4$ knew Kannada$,$ Telugu and Tamil$,$ $7$ knew only Telugu and Tamil $,$ $5$ knew only Kannada and Tamil $,$ $6$ knew only Telugu and Kannada$.$ If the number of linguists who knew Tamil is $24$ and those who knew Kannada is also $24,$ how many linguists knew only Telugu$?$ $9$ $10$ $11$ $8$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 26 views

0 votes

3 answers

19

GATE2010 TF: GA-7
Consider the series $\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+\frac{1}{8}+\frac{1}{9}-\frac{1}{16}+\frac{1}{32}+\frac{1}{27}-\frac{1}{64}+\ldots.$ The sum of the infinite series above is$:$ $\infty$ $\frac{5}{6}$ $\frac{1}{2}$ $0$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 51 views

0 votes

2 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$?$ $-6\leq x<-2$ $-2\leq x<2$ $2\leq x<6$ $6\leq x<10$

asked May 14 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 49 views

0 votes

1 answer

21

GATE2010 MN: GA-10
Given the following four functions $f_{1}(n)=n^{100},$ $f_{2}(n)=(1.2)^{n},$ $f_{3}(n)=2^{n/2},$ $f_{4}(n)=3^{n/3}$ which function will have the largest value for sufficiently large values of n $(i.e.$ $n\rightarrow\infty)?$ $f_{4}$ $f_{3}$ $f_{2}$ $f_{1}$

asked May 13 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 26 views

0 votes

2 answers

22

GATE2010 MN: GA-9
A positive integer $m$ in base $10$ when represented in base $2$ has the representation $p$ and in base $3$ has the representation $q.$ We get $p-q=990$ where the subtraction is done in base $10.$ Which of the following is necessarily true$:$ $m\geq 14$ $9\leq m\leq 13$ $6\leq m\leq 8$ $m<6$

asked May 13 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 70 views

0 votes

1 answer

23

GATE2010 MN: GA-8
Consider the set of integers $\{1,2,3,\ldots,500\}.$ The number of integers that is divisible by neither $3$ nor $4$ is $:$ $1668$ $2084$ $2500$ $2916$

asked May 13 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 34 views

0 votes

1 answer

24

GATE2010 MN: GA-5
A person invest Rs.1000 at $10\%$ annual compound interest for $2$ years$.$ At the end of two years, the whole amount is invested at an annual simple interest of $12\%$ for $5$ years$.$ The total value of the investment finally is $:$ $1776$ $1760$ $1920$ $1936$

asked May 13 in Numerical Ability by Lakshman Patel RJIT Boss (40k points) | 32 views

+1 vote

0 answers

25

ISI2018-PCB-A3
Let $n,r\ $and$\ s$ be positive integers, each greater than $2$.Prove that $n^r-1$ divides $n^s-1$ if and only if $r$ divides $s$.

asked May 12 in Numerical Ability by akash.dinkar12 Boss (40.5k points) | 10 views

0 votes

0 answers

26

ISI2018-PCB-A2
Let there be a pile of $2018$ chips in the center of a table. Suppose there are two players who could alternately remove one, two or three chips from the pile. At least one chip must be removed, but no more than three chips can be removed in a ... game, that is, whatever moves his opponent makes, he can always make his moves in a certain way ensuring his win? Justify your answer.

asked May 12 in Numerical Ability by akash.dinkar12 Boss (40.5k points) | 8 views

0 votes

1 answer

27

ISI2018-MMA-27
Number of real solutions of the equation $x^7 + 2x^5 + 3x^3 + 4x = 2018$ is $1$ $3$ $5$ $7$

asked May 11 in Numerical Ability by akash.dinkar12 Boss (40.5k points) | 29 views

+2 votes

1 answer

28

ISI2018-MMA-24
The sum of the infinite series $1+\frac{2}{3}+\frac{6}{3^2}+\frac{10}{3^3}+\frac{14}{3^4}+….$ is $2$ $3$ $4$ $6$

asked May 11 in Numerical Ability by akash.dinkar12 Boss (40.5k points) | 42 views

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