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Recent questions tagged numerical-ability

0 votes
1 answer
1
UGCNET-Oct2020-II: 80
Given below are two statements: Statement $I$: $5$ divides $n^5-n$ wherever $n$ is a nonnegative integer Statement $II$: $6$ divides $n^3-n$ whenever $n$ is a nonnegative integer In the light of the above statements, choose the correct answer ... $II$ are incorrect Statement $I$ is correct but Statement $II$ is incorrect Statement $I$ is incorrect but Statement $II$ is correct
Given below are two statements: Statement $I$: $5$ divides $n^5-n$ wherever $n$ is a nonnegative integer Statement $II$: $6$ divides $n^3-n$ whenever $n$ is a nonnegative integer In the light of the above statements, choose the correct answer from the ... Statement $II$ are incorrect Statement $I$ is correct but Statement $II$ is incorrect Statement $I$ is incorrect but Statement $II$ is correct
asked Nov 20, 2020 in General Aptitude jothee 91 views
0 votes
1 answer
2
UGCNET-Oct2020-I: 1
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... of females in Mechanical Department to the number of females in Electronics Department? $4:3$ $23:22$ $24:21$ $23:21$
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... the number of females in Mechanical Department to the number of females in Electronics Department? $4:3$ $23:22$ $24:21$ $23:21$
asked Nov 20, 2020 in Unknown Category jothee 36 views
0 votes
1 answer
3
UGCNET-Oct2020-I: 2
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... $2210$ $3210$ $3400$ $3310$
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... $2210$ $3210$ $3400$ $3310$
asked Nov 20, 2020 in Unknown Category jothee 20 views
0 votes
1 answer
4
UGCNET-Oct2020-I: 3
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... $266$ $886$ $786$ $686$
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... $266$ $886$ $786$ $686$
asked Nov 20, 2020 in Unknown Category jothee 22 views
0 votes
1 answer
5
UGCNET-Oct2020-I: 4
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... together to the number of males in the same departments together? $311: 270$ $329:261$ $411:469$ $311 : 269$
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... Electrical departments together to the number of males in the same departments together? $311: 270$ $329:261$ $411:469$ $311 : 269$
asked Nov 20, 2020 in Unknown Category jothee 28 views
0 votes
1 answer
6
UGCNET-Oct2020-I: 5
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... average percentage of female students in the whole institute? $42.0 \%$ $41.0 \%$ $43.0 \%$ $41.5\%$
The following table shows total number of students in the Department of the Institute along with percentage of Females and Male students. Answer the question based on the data given below: ... is the average percentage of female students in the whole institute? $42.0 \%$ $41.0 \%$ $43.0 \%$ $41.5\%$
asked Nov 20, 2020 in Unknown Category jothee 21 views
0 votes
1 answer
7
NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 17
A can is filled with $5$ paise coins. Another can is filled with $10$ paise coins. Another can is filled with $25$ paise coins. All the cans are given wrong labels. If the can labeled $25$ paise is not having the $10$ paise coins, what will the can, labeled $10$ paise have? $25$ paise $5$ paise $10$ paise cannot be determined
A can is filled with $5$ paise coins. Another can is filled with $10$ paise coins. Another can is filled with $25$ paise coins. All the cans are given wrong labels. If the can labeled $25$ paise is not having the $10$ paise coins, what will the can, labeled $10$ paise have? $25$ paise $5$ paise $10$ paise cannot be determined
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 197 views
1 vote
3 answers
9
NIELIT 2017 DEC Scientist B - Section B: 53
When the sum of all possible two digit numbers formed from three different one digit natural numbers are divided by sum of the original three numbers, the result is $26$ $24$ $20$ $22$
When the sum of all possible two digit numbers formed from three different one digit natural numbers are divided by sum of the original three numbers, the result is $26$ $24$ $20$ $22$
asked Mar 30, 2020 in Quantitative Aptitude Lakshman Patel RJIT 550 views
4 votes
5 answers
10
GATE 2020 CSE | Question: GA-9
Two straight lines are drawn perpendicular to each other in $X-Y$ plane. If $\alpha$ and $\beta$ are the acute angles the straight lines make with the $\text{X-}$ axis, then $\alpha + \beta$ is_______. $60^{\circ}$ $90^{\circ}$ $120^{\circ}$ $180^{\circ}$
Two straight lines are drawn perpendicular to each other in $X-Y$ plane. If $\alpha$ and $\beta$ are the acute angles the straight lines make with the $\text{X-}$ axis, then $\alpha + \beta$ is_______. $60^{\circ}$ $90^{\circ}$ $120^{\circ}$ $180^{\circ}$
asked Feb 12, 2020 in Quantitative Aptitude Arjun 3k views
0 votes
2 answers
11
TIFR2020-A-15
The sequence $s_{0},s_{1},\dots , s_{9}$ is defined as follows: $s_{0} = s_{1} + 1$ $2s_{i} = s_{i-1} + s_{i+1} + 2 \text{ for } 1 \leq i \leq 8$ $2s_{9} = s_{8} + 2$ What is $s_{0}$? $81$ $95$ $100$ $121$ $190$
The sequence $s_{0},s_{1},\dots , s_{9}$ is defined as follows: $s_{0} = s_{1} + 1$ $2s_{i} = s_{i-1} + s_{i+1} + 2 \text{ for } 1 \leq i \leq 8$ $2s_{9} = s_{8} + 2$ What is $s_{0}$? $81$ $95$ $100$ $121$ $190$
asked Feb 11, 2020 in Quantitative Aptitude Lakshman Patel RJIT 229 views
0 votes
1 answer
12
TIFR2020-A-9
A contiguous part, i.e., a set of adjacent sheets, is missing from Tharoor's GRE preparation book. The number on the first missing page is $183$, and it is known that the number on the last missing page has the same three digits, but in a different order. Note that every ... at the front and one at the back. How many pages are missing from Tharoor's book? $45$ $135$ $136$ $198$ $450$
A contiguous part, i.e., a set of adjacent sheets, is missing from Tharoor's GRE preparation book. The number on the first missing page is $183$, and it is known that the number on the last missing page has the same three digits, but in a different order. Note that every sheet ... one at the front and one at the back. How many pages are missing from Tharoor's book? $45$ $135$ $136$ $198$ $450$
asked Feb 11, 2020 in Verbal Aptitude Lakshman Patel RJIT 142 views
0 votes
1 answer
13
TIFR2020-A-6
What is the maximum number of regions that the plane $\mathbb{R}^{2}$ can be partitioned into using $10$ lines? $25$ $50$ $55$ $56$ $1024$ Hint: Let $A(n)$ be the maximum number of partitions that can be made by $n$ lines. Observe that $A(0) = 1, A(2) = 2, A(2) = 4$ etc. Come up with a recurrence equation for $A(n)$.
What is the maximum number of regions that the plane $\mathbb{R}^{2}$ can be partitioned into using $10$ lines? $25$ $50$ $55$ $56$ $1024$ Hint: Let $A(n)$ be the maximum number of partitions that can be made by $n$ lines. Observe that $A(0) = 1, A(2) = 2, A(2) = 4$ etc. Come up with a recurrence equation for $A(n)$.
asked Feb 10, 2020 in Quantitative Aptitude Lakshman Patel RJIT 117 views
4 votes
6 answers
14
ISRO2020-55
If $x+2y=30$, then $\left(\dfrac{2y}{5}+\dfrac{x}{3} \right) + \left (\dfrac{x}{5}+\dfrac{2y}{3} \right)$ will be equal to $8$ $16$ $18$ $20$
If $x+2y=30$, then $\left(\dfrac{2y}{5}+\dfrac{x}{3} \right) + \left (\dfrac{x}{5}+\dfrac{2y}{3} \right)$ will be equal to $8$ $16$ $18$ $20$
asked Jan 13, 2020 in Quantitative Aptitude Satbir 791 views
4 votes
3 answers
15
ISI2014-DCG-10
The number of divisors of $6000$, where $1$ and $6000$ are also considered as divisors of $6000$ is $40$ $50$ $60$ $30$
The number of divisors of $6000$, where $1$ and $6000$ are also considered as divisors of $6000$ is $40$ $50$ $60$ $30$
asked Sep 23, 2019 in Quantitative Aptitude Arjun 411 views
1 vote
2 answers
16
ISI2014-DCG-16
The sum of the series $\dfrac{1}{1.2} + \dfrac{1}{2.3}+ \cdots + \dfrac{1}{n(n+1)} + \cdots $ is $1$ $1/2$ $0$ non-existent
The sum of the series $\dfrac{1}{1.2} + \dfrac{1}{2.3}+ \cdots + \dfrac{1}{n(n+1)} + \cdots $ is $1$ $1/2$ $0$ non-existent
asked Sep 23, 2019 in Quantitative Aptitude Arjun 225 views
1 vote
2 answers
17
ISI2014-DCG-22
The conditions on $a$, $b$ and $c$ under which the roots of the quadratic equation $ax^2+bx+c=0 \: ,a \neq 0, \: b \neq 0 $ and $c \neq 0$, are unequal magnitude but of the opposite signs, are the following: $a$ and $c$ have the same sign while $b$ has the ... $c$ has the opposite sign. $a$ and $c$ have the same sign. $a$, $b$ and $c$ have the same sign.
The conditions on $a$, $b$ and $c$ under which the roots of the quadratic equation $ax^2+bx+c=0 \: ,a \neq 0, \: b \neq 0 $ and $c \neq 0$, are unequal magnitude but of the opposite signs, are the following: $a$ and $c$ have the same sign while $b$ has the opposite sign ... $b$ have the same sign while $c$ has the opposite sign. $a$ and $c$ have the same sign. $a$, $b$ and $c$ have the same sign.
asked Sep 23, 2019 in Quantitative Aptitude Arjun 160 views
2 votes
2 answers
18
ISI2014-DCG-23
The sum of the series $\:3+11+\dots +(8n-5)\:$ is $4n^2-n$ $8n^2+3n$ $4n^2+4n-5$ $4n^2+2$
The sum of the series $\:3+11+\dots +(8n-5)\:$ is $4n^2-n$ $8n^2+3n$ $4n^2+4n-5$ $4n^2+2$
asked Sep 23, 2019 in Quantitative Aptitude Arjun 217 views
1 vote
1 answer
19
ISI2014-DCG-26
Let $x_1 > x_2>0$. Then which of the following is true? $\log \big(\frac{x_1+x_2}{2}\big) > \frac{\log x_1+ \log x_2}{2}$ $\log \big(\frac{x_1+x_2}{2}\big) < \frac{\log x_1+ \log x_2}{2}$ There exist $x_1$ and $x_2$ such that $x_1 > x_2 >0$ and $\log \big(\frac{x_1+x_2}{2}\big) = \frac{\log x_1+ \log x_2}{2}$ None of these
Let $x_1 > x_2>0$. Then which of the following is true? $\log \big(\frac{x_1+x_2}{2}\big) > \frac{\log x_1+ \log x_2}{2}$ $\log \big(\frac{x_1+x_2}{2}\big) < \frac{\log x_1+ \log x_2}{2}$ There exist $x_1$ and $x_2$ such that $x_1 > x_2 >0$ and $\log \big(\frac{x_1+x_2}{2}\big) = \frac{\log x_1+ \log x_2}{2}$ None of these
asked Sep 23, 2019 in Quantitative Aptitude Arjun 145 views
1 vote
1 answer
20
ISI2014-DCG-30
Consider the equation $P(x) =x^3+px^2+qx+r=0$ where $p,q$ and $r$ are all real and positive. State which of the following statements is always correct. All roots of $P(x) = 0$ are real The equation $P(x)=0$ has at least one real root The equation $P(x)=0$ has no negative real root The equation $P(x)=0$ must have one positive and one negative real root
Consider the equation $P(x) =x^3+px^2+qx+r=0$ where $p,q$ and $r$ are all real and positive. State which of the following statements is always correct. All roots of $P(x) = 0$ are real The equation $P(x)=0$ has at least one real root The equation $P(x)=0$ has no negative real root The equation $P(x)=0$ must have one positive and one negative real root
asked Sep 23, 2019 in Quantitative Aptitude Arjun 122 views
1 vote
1 answer
21
ISI2014-DCG-36
Consider any integer $I=m^2+n^2$, where $m$ and $n$ are odd integers. Then $I$ is never divisible by $2$ $I$ is never divisible by $4$ $I$ is never divisible by $6$ None of the above
Consider any integer $I=m^2+n^2$, where $m$ and $n$ are odd integers. Then $I$ is never divisible by $2$ $I$ is never divisible by $4$ $I$ is never divisible by $6$ None of the above
asked Sep 23, 2019 in Quantitative Aptitude Arjun 129 views
0 votes
1 answer
22
ISI2014-DCG-55
If $a,b,c$ are sides of a triangle $ABC$ such that $x^2-2(a+b+c)x+3 \lambda (ab+bc+ca)=0$ has real roots then $\lambda < \frac{4}{3}$ $\lambda > \frac{5}{3}$ $\lambda \in \big( \frac{4}{3}, \frac{5}{3}\big)$ $\lambda \in \big( \frac{1}{3}, \frac{5}{3}\big)$
If $a,b,c$ are sides of a triangle $ABC$ such that $x^2-2(a+b+c)x+3 \lambda (ab+bc+ca)=0$ has real roots then $\lambda < \frac{4}{3}$ $\lambda > \frac{5}{3}$ $\lambda \in \big( \frac{4}{3}, \frac{5}{3}\big)$ $\lambda \in \big( \frac{1}{3}, \frac{5}{3}\big)$
asked Sep 23, 2019 in Quantitative Aptitude Arjun 107 views
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