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Recent questions tagged algebra
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CAT 2023 Set-3 | Quantitative Aptitude | Question: 4
For a real number $x$, if $\frac{1}{2}, \frac{\log _{3}\left(2^{x}-9\right)}{\log _{3} 4}$, and $\frac{\log _{5}\left(2^{x}+\frac{17}{2}\right)}{\log _{5} 4}$ are in an a...
admin
5.3k
points
1.5k
views
asked
Mar 31, 2024
Quantitative Aptitude
cat2023-set3
quantitative-aptitude
algebra
numerical-answer
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–
1
1 vote
0
0 answers
1.1k
1.1k views
CAT 2023 Set-2 | Quantitative Aptitude | Question: 3
The sum of all possible values of $x$ satisfying the equation $2^{4 x^{2}}-2^{2 x^{2}+x+16}+2^{2 x+30}=0$, is$\frac{5}{2}$$\frac{1}{2}$$3$$\frac{3}{2}$
admin
5.3k
points
1.1k
views
asked
Mar 31, 2024
Quantitative Aptitude
cat2023-set2
quantitative-aptitude
algebra
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1
1 vote
0
0 answers
1.1k
1.1k views
CAT 2023 Set-2 | Quantitative Aptitude | Question: 21
If $p^2+q^2-29=2 p q-20=52-2 p q$, then the difference between the maximum and minimum possible value of $\left(p^3-q^3\right)$ is$486$$378$$243$$189$
admin
5.3k
points
1.1k
views
asked
Mar 31, 2024
Quantitative Aptitude
cat2023-set2
quantitative-aptitude
algebra
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1
1 vote
1
answers
1 answer
1.6k
1.6k views
CAT 2023 Set-1 | Quantitative Aptitude | Question: 2
If $\sqrt{5 x+9}+\sqrt{5 x-9}=3(2+\sqrt{2})$, then $\sqrt{10 x+9}$ is equal to$3 \sqrt{7}$$4 \sqrt{5}$$3 \sqrt{31}$$2 \sqrt{7}$
admin
5.3k
points
1.6k
views
asked
Mar 30, 2024
Quantitative Aptitude
cat2023-set1
quantitative-aptitude
algebra
numerical-answer
+
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1
1 vote
0
0 answers
976
976 views
CAT 2023 Set-1 | Quantitative Aptitude | Question: 6
The equation $x^{3}+(2 r+1) x^{2}+(4 r-1) x+2=0$ has $-2$ as one of the roots. If the other two roots are real, then the minimum possible non-negative integer value of $r...
admin
5.3k
points
976
views
asked
Mar 30, 2024
Quantitative Aptitude
cat2023-set1
quantitative-aptitude
algebra
+
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4
4 votes
1
1 answer
4.5k
4.5k views
CAT 2022 Set-3 | Quantitative Aptitude | Question: 2
If $c=\dfrac{16 x}{y}+\dfrac{49 y}{x}$ for some non-zero real numbers $x$ and $y,$ then $c$ cannot take the value$-60$ $-50$ $60$ $-70$
admin
5.3k
points
4.5k
views
asked
Mar 3, 2023
Quantitative Aptitude
cat2022-set3
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.9k
1.9k views
CAT 2020 Set-3 | Question: 55
If $x_{1} = \;– 1$ and $x_{m} = x_{m+1} + (m + 1)$ for every positive integer $m, $ then $x_{100}$ equals $ – 5151 $$ – 5150 $$ – 5051 $$ – 5050 $
soujanyareddy13
2.8k
points
1.9k
views
asked
Sep 17, 2021
Quantitative Aptitude
cat2020-set3
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.8k
1.8k views
CAT 2020 Set-3 | Question: 59
If $\text{a,b,c}$ are non-zero and $14^{a} = 36^{b} = 84^{c},$ then $6b \left( \frac{1}{c} \;– \frac{1}{a} \right)$ is equal to
soujanyareddy13
2.8k
points
1.8k
views
asked
Sep 17, 2021
Quantitative Aptitude
cat2020-set3
quantitative-aptitude
algebra
numerical-answer
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–
0
0 votes
0
0 answers
1.2k
1.2k views
CAT 2020 Set-3 | Question: 69
How many pairs $(a,b)$ of positive integers are there such that $a \leq b$ and $ab = 4^{2017} \; ?$$2017$$2019$$2020$$2018$
soujanyareddy13
2.8k
points
1.2k
views
asked
Sep 17, 2021
Quantitative Aptitude
cat2020-set3
quantitative-aptitude
algebra
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2
2 votes
1
1 answer
1.5k
1.5k views
CAT 2020 Set-2 | Question: 56
If $\textsf{x}$ and $\textsf{y}$ are positive real numbers satisfying $\textsf{x+y = 102},$ then the minimum possible value of $\textsf{2601} \left( 1 + \frac{1}{\textsf{...
soujanyareddy13
2.8k
points
1.5k
views
asked
Sep 17, 2021
Quantitative Aptitude
cat2020-set2
quantitative-aptitude
algebra
numerical-answer
+
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2
2 votes
1
1 answer
1.6k
1.6k views
CAT 2020 Set-2 | Question: 60
For real $\textsf{x}$ , the maximum possible value of $ \frac{x}{\sqrt{1+x^{4}}}$ is $ \frac{1}{\sqrt{3}}$$1$$\frac{1}{\sqrt{2}}$$\frac{1}{2}$
soujanyareddy13
2.8k
points
1.6k
views
asked
Sep 17, 2021
Quantitative Aptitude
cat2020-set2
quantitative-aptitude
algebra
+
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3
3 votes
1
1 answer
1.6k
1.6k views
CAT 2020 Set-2 | Question: 71
The number of integers that satisfy the equality $\left( x^{2} – 5x + 7 \right)^{x+1} = 1$ is $2$$3$$5$$4$
soujanyareddy13
2.8k
points
1.6k
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asked
Sep 17, 2021
Quantitative Aptitude
cat2020-set2
quantitative-aptitude
algebra
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–
1
1 vote
1
1 answer
1.5k
1.5k views
CAT 2020 Set-1 | Question: 57
The number of real$-$valued of the equation $2^{x}+2^{-x}=2-(x-2)^{2}$ isinfinite$1$$0$$2$
soujanyareddy13
2.8k
points
1.5k
views
asked
Sep 16, 2021
Quantitative Aptitude
cat2020-set1
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.7k
1.7k views
CAT 2020 Set-1 | Question: 59
How many distinct positive integer-valued solutions exist to the equation $\left ( x^{2}-7x+11 \right )^{(x^{2}-13x+42)} =1$?$6$$8$$2$$4$
soujanyareddy13
2.8k
points
1.7k
views
asked
Sep 16, 2021
Quantitative Aptitude
cat2020-set1
quantitative-aptitude
algebra
+
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3
3 votes
1
1 answer
1.9k
1.9k views
CAT 2020 Set-1 | Question: 67
If $x=\left ( 4096 \right )^{7+4\sqrt{3}}$, then which of the following equals $64$?$\frac{x^{7}}{x^{2\sqrt{3}}}$$\frac{x^{7}}{x^{4\sqrt{3}}}$$\frac{x^\frac{7}{2}}{x^\fra...
soujanyareddy13
2.8k
points
1.9k
views
asked
Sep 16, 2021
Quantitative Aptitude
cat2020-set1
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.5k
1.5k views
CAT 2020 Set-1 | Question: 69
If $a, b$ and $c$ are positive integers such that $ab=432, bc=96$ and $c<9,$ then the smallest possible value of $a+b+c$ is$56$$59$$49$$46$
soujanyareddy13
2.8k
points
1.5k
views
asked
Sep 16, 2021
Quantitative Aptitude
cat2020-set1
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
2.1k
2.1k views
CAT 2020 Set-1 | Question: 72
A gentleman decided to treat a few children in the following manner. He gives half of his total stock of toffees and one extra to the first child, and then the half of th...
soujanyareddy13
2.8k
points
2.1k
views
asked
Sep 16, 2021
Quantitative Aptitude
cat2020-set1
quantitative-aptitude
algebra
numerical-answer
+
–
1
1 vote
1
1 answer
1.9k
1.9k views
CAT 2020 Set-1 | Question: 75
The number of distinct real roots of the equation $\left ( x+\frac{1}{x}\right )^{2}-3\left ( x+\frac{1}{x} \right )+2= 0$ equals
soujanyareddy13
2.8k
points
1.9k
views
asked
Sep 16, 2021
Quantitative Aptitude
cat2020-set1
quantitative-aptitude
algebra
numerical-answer
+
–
1
1 vote
1
answers
1 answer
1.8k
1.8k views
NIELIT 2016 MAR Scientist D: 71
A certain number when added to $50\%$ of itself is $27$. What is the number?$7$$9$$11$$18$
Lakshman Bhaiya
12.2k
points
1.8k
views
asked
Apr 3, 2020
Quantitative Aptitude
nielit2016mar-scientistd
quantitative-aptitude
algebra
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0
0 votes
1
1 answer
1.7k
1.7k views
NIELIT 2016 MAR Scientist D: 70
Twelve less than $4$ times a number is $20$. What is the number?$2$$4$$6$$8$
Lakshman Bhaiya
12.2k
points
1.7k
views
asked
Apr 3, 2020
Quantitative Aptitude
nielit2016mar-scientistd
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.9k
1.9k views
NIELIT 2016 MAR Scientist D: 69
The sum of a number and its double is $69$. What is the number?$46.6$$34.5$$23$$20$
Lakshman Bhaiya
12.2k
points
1.9k
views
asked
Apr 3, 2020
Quantitative Aptitude
nielit2016mar-scientistd
quantitative-aptitude
algebra
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0
0 votes
1
1 answer
2.0k
2.0k views
NIELIT 2019 Feb Scientist D - Section D: 3
A school has $378$ girls and $675$ boys. All the students divided into strictly boys and strictly girls students sections. All the sections in the school has same number ...
Lakshman Bhaiya
12.2k
points
2.0k
views
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
algebra
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0
0 votes
1
1 answer
2.1k
2.1k views
NIELIT 2019 Feb Scientist D - Section D: 26
A dog at point $A$ goes in pursuit of a fox $30$ $m$ away. The dog makes $2$ $m$ and the fox, $1$ m long leaps. If the dog makes two leaps to the fox’s three, at what dis...
Lakshman Bhaiya
12.2k
points
2.1k
views
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
algebra
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–
0
0 votes
1
1 answer
1.6k
1.6k views
NIELIT 2019 Feb Scientist D - Section D: 27
If $5$ spiders can catch $5$ files in $5$ minutes. How many files can $100$ spiders catch in $100$ minutes :$100$$1000$$500$$2000$
Lakshman Bhaiya
12.2k
points
1.6k
views
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
algebra
+
–
0
0 votes
1
answers
1 answer
1.7k
1.7k views
NIELIT 2016 MAR Scientist C - Section A: 12
The expression $(11.98\times 11.98 + 11.98 \times x +0.02 \times 0.02)$ will be a perfect square for $x$ equal to:$2.02$$0.17$$0.04$$1.4$
Lakshman Bhaiya
12.2k
points
1.7k
views
asked
Apr 2, 2020
Quantitative Aptitude
nielit2016mar-scientistc
algebra
quadratic-equations
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–
0
0 votes
1
1 answer
2.2k
2.2k views
NIELIT 2016 MAR Scientist C - Section A: 15
The value of $\large\frac{(0.96)^3-(0.1)^3}{(0.96)^2+0.096+(0.1)^2}$ is :$0.86$$0.95$$0.97$$1.06$
Lakshman Bhaiya
12.2k
points
2.2k
views
asked
Apr 2, 2020
Quantitative Aptitude
nielit2016mar-scientistc
algebra
+
–
0
0 votes
1
1 answer
2.4k
2.4k views
NIELIT 2019 Feb Scientist C - Section D: 15
The simplified form of $\left[ \left ( \left( \dfrac{a+1}{a-1}\right)^2+3 \right)\div \left( \left( \dfrac{a-1}{a+1}\right)^2+3\right) \right] \div \left [\left( \dfrac{a...
Lakshman Bhaiya
12.2k
points
2.4k
views
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
algebra
+
–
0
0 votes
2
answers
2 answers
2.4k
2.4k views
NIELIT 2019 Feb Scientist C - Section D: 23
Rs.$6500$ were divided among a certain number of persons. If there had been $15$ more persons, each would have got $Rs.30$ less. Find the original number of persons.$50$$...
Lakshman Bhaiya
12.2k
points
2.4k
views
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
algebra
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–
0
0 votes
1
1 answer
2.2k
2.2k views
NIELIT 2019 Feb Scientist C - Section D: 30
A charitable trust donates $28$ different books of Maths, $16$ different books of science and $12$ different books of social science to poor students. Each student is giv...
Lakshman Bhaiya
12.2k
points
2.2k
views
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
algebra
+
–
0
0 votes
1
1 answer
1.9k
1.9k views
NIELIT 2019 Feb Scientist C - Section C: 3
The factors of $(x^{2}+4y^{2}+4y-4xy-2x-8)$ are:$(x-2y-4)(x-2y+2)$$(x-y+2)(x-4y-4)$$(x+2y-4)(x+2y+2)$None of these
Lakshman Bhaiya
12.2k
points
1.9k
views
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
algebra
+
–
1
1 vote
2
2 answers
2.2k
2.2k views
NIELIT 2019 Feb Scientist C - Section C: 19
If $a^{x}=b, b^{y}=c$ and $c^{z}=a$, then $xyz$ equals:$abc$$\dfrac{1}{abc}$$1$None
Lakshman Bhaiya
12.2k
points
2.2k
views
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
algebra
+
–
1
1 vote
1
1 answer
2.7k
2.7k views
CAT 2019 Set-2 | Question: 86
What is the largest positive integer $n$ such that $\frac{n^{2}+7n+12}{n^{2}-n-12}$ is also a positive integer?$8$$12$$16$$6$
go_editor
14.2k
points
2.7k
views
asked
Mar 20, 2020
Quantitative Aptitude
cat2019-2
quantitative-aptitude
algebra
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–
1
1 vote
1
1 answer
1.7k
1.7k views
CAT 2019 Set-2 | Question: 97
If $5^{x}-3^{y}=13438$ and $5^{x-1}+3^{y+1}=9686$, then $x+y$ equals _______
go_editor
14.2k
points
1.7k
views
asked
Mar 20, 2020
Quantitative Aptitude
cat2019-2
quantitative-aptitude
algebra
numerical-answer
+
–
3
3 votes
1
answers
1 answer
1.8k
1.8k views
CAT 2018 Set-1 | Question: 69
Given that $x^{2018}y^{2017}=1/2$ and $x^{2016}y^{2019}=8$, the value of $x^2+y^3$ is$35/4$$37/4$$31/4$$33/4$
go_editor
14.2k
points
1.8k
views
asked
Mar 19, 2020
Quantitative Aptitude
cat2018-1
quantitative-aptitude
algebra
+
–
2
2 votes
1
1 answer
1.6k
1.6k views
CAT 2018 Set-1 | Question: 77
If $u^2+(u-2v-1)^2=-4v(u+v)$, then what is the value of $u+3v$ ?$1/4$$0$$1/2$$-1/4$
go_editor
14.2k
points
1.6k
views
asked
Mar 19, 2020
Quantitative Aptitude
cat2018-1
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.5k
1.5k views
CAT 2017 Set-2 | Question: 94
How many different pairs $(a,b)$ of positive integers are there such that $a\leq b$ and $1/a+1/b=1/9$None of these$2$$0$$1$
go_editor
14.2k
points
1.5k
views
asked
Mar 16, 2020
Quantitative Aptitude
cat2017-2
quantitative-aptitude
algebra
+
–
2
2 votes
2
2 answers
2.3k
2.3k views
CAT 2017 Set-2 | Question: 91
If $9^{\left ( x-1/2 \right )}-2^{\left ( 2x-2 \right )}=4^{x}-3^{\left (2x-3 \right )}$, then $x$ is$3/2$$2/5$$3/4$$4/9$
go_editor
14.2k
points
2.3k
views
asked
Mar 16, 2020
Quantitative Aptitude
cat2017-2
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.9k
1.9k views
CAT 2017 Set-1 | Question: 90
If $9^{2x-1}-81^{x-1}= 1944$ then $x$ is$3$$9/4$$4/9$$1/3$
go_editor
14.2k
points
1.9k
views
asked
Mar 13, 2020
Quantitative Aptitude
cat2017-1
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.5k
1.5k views
CAT 2017 Set-1 | Question: 88
If $x+1= x^{2}$ and $x 0$, then $2x^{4}$ is$6+4\sqrt{5}$$3+5\sqrt{5}$$5+3\sqrt{5}$$7+3\sqrt{5}$
go_editor
14.2k
points
1.5k
views
asked
Mar 13, 2020
Quantitative Aptitude
cat2017-1
quantitative-aptitude
algebra
+
–
1
1 vote
1
1 answer
1.5k
1.5k views
CAT 2017 Set-1 | Question: 94
If $a, b, c$ and $d$ are integers such that $a+b+c+d=30$ , then the minimum possible value of $( a-b )^{2}+( a-c )^{2}+( a-d)^{2}$ is $1$$2$$5$$6$
go_editor
14.2k
points
1.5k
views
asked
Mar 13, 2020
Quantitative Aptitude
cat2017-1
quantitative-aptitude
algebra
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