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Recent questions tagged true-false
Recent Blog Comments
Preparing for GATE 2021 hope I dont need this one...
Ohh, yeah now turned off. Got it sir, Thank you :)
I guess you might have turn on "Only GATE...
https://gateoverflow.in/280484/tifr2019-b-11 Arju...
Which question disappeared? Can you share a link?
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Recent questions tagged true-false
0
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1
TIFR-2013-Maths-D: 31
True/False Question : The inequality $\sqrt{n+1}-\sqrt{n}< \frac{1}{\sqrt{n}}$ is false for all $n$ such that $101\leq n\leq 2000.$
True/False Question : The inequality $\sqrt{n+1}-\sqrt{n}< \frac{1}{\sqrt{n}}$ is false for all $n$ such that $101\leq n\leq 2000.$
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
14
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tifrmaths2013
true-false
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votes
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answers
2
TIFR-2013-Maths-D: 32
True/False Question : $\underset{n\rightarrow \infty }{lim}\left ( n+1 \right )^{1/3}-n^{1/3}=\infty$.
True/False Question : $\underset{n\rightarrow \infty }{lim}\left ( n+1 \right )^{1/3}-n^{1/3}=\infty$.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
16
views
tifrmaths2013
true-false
0
votes
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answers
3
TIFR-2013-Maths-D: 33
True/False Question : There exists a bijection between $\mathbb{R}^{2}$and the open interval $\left ( 0,1 \right ).$
True/False Question : There exists a bijection between $\mathbb{R}^{2}$and the open interval $\left ( 0,1 \right ).$
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
13
views
tifrmaths2013
true-false
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votes
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4
TIFR-2013-Maths-D: 34
True/False Question : Let $S$ be the set of all sequence $\left \{ a_{1},a_{2},\dots,a_{n},\dots \right \}$ where each entry $a_{i}$ is either $0$ or $1$. Then $S$ is countable.
True/False Question : Let $S$ be the set of all sequence $\left \{ a_{1},a_{2},\dots,a_{n},\dots \right \}$ where each entry $a_{i}$ is either $0$ or $1$. Then $S$ is countable.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
9
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tifrmaths2013
true-false
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5
TIFR-2013-Maths-D: 35
True/False Question : Let $\left \{ a_{n} \right \}$ be any non-constant sequence in $\mathbb{R}$ such that $a_{n+1}=\frac{a_{n}+a_{n+2}}{2}$ for all $n\geq 1$. Then $\left \{ a_{n} \right \}$ is unbounded.
True/False Question : Let $\left \{ a_{n} \right \}$ be any non-constant sequence in $\mathbb{R}$ such that $a_{n+1}=\frac{a_{n}+a_{n+2}}{2}$ for all $n\geq 1$. Then $\left \{ a_{n} \right \}$ is unbounded.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
13
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tifrmaths2013
true-false
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answers
6
TIFR-2013-Maths-D: 36
True/False Question : The function $f:\mathbb{Z}\rightarrow \mathbb{R}$ defined by $f\left ( n \right )=n^{3}-3n$ in injective.
True/False Question : The function $f:\mathbb{Z}\rightarrow \mathbb{R}$ defined by $f\left ( n \right )=n^{3}-3n$ in injective.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
15
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tifrmaths2013
true-false
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7
TIFR-2013-Maths-D: 37
True/False Question : The polynomial $x^{3}+3x-2\pi$ is irreducible over $\mathbb{R}.$
True/False Question : The polynomial $x^{3}+3x-2\pi$ is irreducible over $\mathbb{R}.$
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
21
views
tifrmaths2013
true-false
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votes
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answers
8
TIFR-2013-Maths-D: 38
True/False Question : Let $V$ be the vector space consisting of polynomials with real coefficients in variable $t$ of degree $\leq 9$. Let $D:V\rightarrow V$be the linear operator defined by $D\left ( f \right ):=\frac{df}{dt}.$ Then $0$ is an eigenvalue of $D.$
True/False Question : Let $V$ be the vector space consisting of polynomials with real coefficients in variable $t$ of degree $\leq 9$. Let $D:V\rightarrow V$be the linear operator defined by $D\left ( f \right ):=\frac{df}{dt}.$ Then $0$ is an eigenvalue of $D.$
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
11
views
tifrmaths2013
true-false
0
votes
0
answers
9
TIFR-2013-Maths-D: 39
True/False Question : If $A$ is a complex $n\times n$ matrix with $A^{2}=A$, then rank $A$ = trace $A$.
True/False Question : If $A$ is a complex $n\times n$ matrix with $A^{2}=A$, then rank $A$ = trace $A$.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
13
views
tifrmaths2013
true-false
0
votes
0
answers
10
TIFR-2013-Maths-D: 40
True/False Question : The series $1-\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}-\frac{1}{\sqrt{4}}+\cdots$ is divergent.
True/False Question : The series $1-\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}-\frac{1}{\sqrt{4}}+\cdots$ is divergent.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
12
views
tifrmaths2013
true-false
0
votes
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answers
11
TIFR-2013-Maths-C: 21
True/False Question : Every homeomorphism of the $2$-sphere to itself has a fixed point.
True/False Question : Every homeomorphism of the $2$-sphere to itself has a fixed point.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
11
views
tifrmaths2013
true-false
0
votes
0
answers
12
TIFR-2013-Maths-C: 22
True/False Question : The intervals $\left [ 0,1\right )$ and $\left (0,1\right )$ are homeomorphic.
True/False Question : The intervals $\left [ 0,1\right )$ and $\left (0,1\right )$ are homeomorphic.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
8
views
tifrmaths2013
true-false
0
votes
0
answers
13
TIFR-2013-Maths-C: 23
True/False Question : Let $X$ be a complete metric space such that distance between any two points is less than $1$. Then $X$ is compact.
True/False Question : Let $X$ be a complete metric space such that distance between any two points is less than $1$. Then $X$ is compact.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
8
views
tifrmaths2013
true-false
0
votes
0
answers
14
TIFR-2013-Maths-C: 24
True/False Question : There exists a continuous surjective function from $S^{1}$ onto $\mathbb{R}$.
True/False Question : There exists a continuous surjective function from $S^{1}$ onto $\mathbb{R}$.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
9
views
tifrmaths2013
true-false
0
votes
0
answers
15
TIFR-2013-Maths-C: 25
True/False Question : There exists a complete metric on the open interval $\left ( 0,1 \right )$ inducing the usual topology.
True/False Question : There exists a complete metric on the open interval $\left ( 0,1 \right )$ inducing the usual topology.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
11
views
tifrmaths2013
true-false
0
votes
0
answers
16
TIFR-2013-Maths-C: 26
True/False Question : There exists a continuous surjective map from the complex plane onto the non-zero reals.
True/False Question : There exists a continuous surjective map from the complex plane onto the non-zero reals.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
12
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tifrmaths2013
true-false
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votes
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answers
17
TIFR-2013-Maths-C: 27
True/False Question : If every differentiable function on a subset $X\subset \mathbb{R}^{n}$(i.e., restriction of a differentiable function on a neighbourhood of $X$) is bounded, then $X$ is compact.
True/False Question : If every differentiable function on a subset $X\subset \mathbb{R}^{n}$(i.e., restriction of a differentiable function on a neighbourhood of $X$) is bounded, then $X$ is compact.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
17
views
tifrmaths2013
true-false
0
votes
0
answers
18
TIFR-2013-Maths-C: 28
True/False Question : Let $f:X\rightarrow Y$ be a continuous map between metric spaces. If $f$ is a bijection, then its inverse is also continuous.
True/False Question : Let $f:X\rightarrow Y$ be a continuous map between metric spaces. If $f$ is a bijection, then its inverse is also continuous.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
8
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tifrmaths2013
true-false
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answers
19
TIFR-2013-Maths-C: 29
True/False Question : Let $f$ be a function on the closed interval $\left [ 0,1 \right ]$defined by $f\left ( x \right )=x$ if $x$ is rational $f\left ( x \right )=x^{2}$ if $x$ is irrational Then $f$ is continuous at $0$ and $1$.
True/False Question : Let $f$ be a function on the closed interval $\left [ 0,1 \right ]$defined by $f\left ( x \right )=x$ if $x$ is rational $f\left ( x \right )=x^{2}$ if $x$ is irrational Then $f$ is continuous at $0$ and $1$.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
12
views
tifrmaths2013
true-false
0
votes
0
answers
20
TIFR-2013-Maths-C: 30
True/False Question : There exists an infinite subset $S\subset \mathbb{R}^{3}$such that any three vectors in $S$ are linearly independent.
True/False Question : There exists an infinite subset $S\subset \mathbb{R}^{3}$such that any three vectors in $S$ are linearly independent.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
10
views
tifrmaths2013
true-false
0
votes
0
answers
21
TIFR-2013-Maths-B: 11
True/False Question : Consider the sequences $x_{n}=\sum_{j=1}^{n}\frac{1}{j}$ $y_{n}=\sum_{j=1}^{n}\frac{1}{j^{2}}$ Then $\left \{ x_{n} \right \}$ is Cauchy but $\left \{ y_{n} \right \}$ is not.
True/False Question : Consider the sequences $x_{n}=\sum_{j=1}^{n}\frac{1}{j}$ $y_{n}=\sum_{j=1}^{n}\frac{1}{j^{2}}$ Then $\left \{ x_{n} \right \}$ is Cauchy but $\left \{ y_{n} \right \}$ is not.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
9
views
tifrmaths2013
true-false
0
votes
0
answers
22
TIFR-2013-Maths-B: 12
True/False Question : $\underset{x\rightarrow 0}{lim}\frac{sin\left ( x^{2} \right )}{x^{2}}sin\left ( \frac{1}{x} \right )=1$.
True/False Question : $\underset{x\rightarrow 0}{lim}\frac{sin\left ( x^{2} \right )}{x^{2}}sin\left ( \frac{1}{x} \right )=1$.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
9
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tifrmaths2013
true-false
0
votes
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answers
23
TIFR-2013-Maths-B: 13
True/False Question : Let $f:\left [ a,b \right ]\rightarrow \left [ c,d \right ]$ and $g:\left [ c,d \right ]\rightarrow \mathbb{R}$ be Riemann integrable functions defined on the closed intervals $\left [ a,b \right ]$ and $\left [ c,d \right ]$ respectively. Then the composite $g\circ f$ is also Riemann integrable.
True/False Question : Let $f:\left [ a,b \right ]\rightarrow \left [ c,d \right ]$ and $g:\left [ c,d \right ]\rightarrow \mathbb{R}$ be Riemann integrable functions defined on the closed intervals $\left [ a,b \right ]$ and $\left [ c,d \right ]$ respectively. Then the composite $g\circ f$ is also Riemann integrable.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
12
views
tifrmaths2013
true-false
0
votes
0
answers
24
TIFR-2013-Maths-B: 14
True/False Question : Let $f:\mathbb{R}\rightarrow \mathbb{R}$ be defined by $f\left ( x \right )=sin\:x ^{3}$. Then $f$ is continuous but not uniformly continuous.
True/False Question : Let $f:\mathbb{R}\rightarrow \mathbb{R}$ be defined by $f\left ( x \right )=sin\:x ^{3}$. Then $f$ is continuous but not uniformly continuous.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
24
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tifrmaths2013
true-false
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votes
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25
TIFR-2013-Maths-B: 15
True/False Question : Let $x_{1}\in\left ( 0,1 \right )$ be a real number between $0$ and $1$. For $n> 1$, define $x_{n+1}=x_{n}-x_{n}^{n+1}.$ Then $\underset{n\rightarrow \infty }{lim}x_{n}$ exists.
True/False Question : Let $x_{1}\in\left ( 0,1 \right )$ be a real number between $0$ and $1$. For $n> 1$, define $x_{n+1}=x_{n}-x_{n}^{n+1}.$ Then $\underset{n\rightarrow \infty }{lim}x_{n}$ exists.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
15
views
tifrmaths2013
true-false
0
votes
0
answers
26
TIFR-2013-Maths-B: 16
True/False Question : Suppose $\left \{ a_{i} \right \}$ is a sequence in $\mathbb{R}$ such that $\sum \left | a_{i} \right |\left | x_{i} \right |< \infty$ whenever $\sum \left | x_{i} \right |< \infty$. Then $\left \{ a_{i} \right \}$ is a bounded sequence.
True/False Question : Suppose $\left \{ a_{i} \right \}$ is a sequence in $\mathbb{R}$ such that $\sum \left | a_{i} \right |\left | x_{i} \right |< \infty$ whenever $\sum \left | x_{i} \right |< \infty$. Then $\left \{ a_{i} \right \}$ is a bounded sequence.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
12
views
tifrmaths2013
true-false
0
votes
0
answers
27
TIFR-2013-Maths-B: 17
True/False Question : The integral $\int_{0}^{\infty }e^{-x^{5}}dx$ is convergent.
True/False Question : The integral $\int_{0}^{\infty }e^{-x^{5}}dx$ is convergent.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
13
views
tifrmaths2013
true-false
0
votes
0
answers
28
TIFR-2013-Maths-B: 18
True/False Question : Let $P\left ( x \right )=1+x+\frac{x^{2}}{2!}+\frac{x^{3}}{3!}+\cdots +\frac{x^{n}}{n!}$ where $n$ is a large positive integer. Then $\underset{x\rightarrow \infty }{lim}\:\frac{e^{x}}{p\left ( x \right )}=1.$
True/False Question : Let $P\left ( x \right )=1+x+\frac{x^{2}}{2!}+\frac{x^{3}}{3!}+\cdots +\frac{x^{n}}{n!}$ where $n$ is a large positive integer. Then $\underset{x\rightarrow \infty }{lim}\:\frac{e^{x}}{p\left ( x \right )}=1.$
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
11
views
tifrmaths2013
true-false
0
votes
0
answers
29
TIFR-2013-Maths-B: 19
True/False Question : Every differentiable function $f:\left ( 0,1 \right )\rightarrow \left [ 0,1 \right ]$ is uniformly continuous.
True/False Question : Every differentiable function $f:\left ( 0,1 \right )\rightarrow \left [ 0,1 \right ]$ is uniformly continuous.
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
8
views
tifrmaths2013
true-false
0
votes
0
answers
30
TIFR-2013-Maths-B: 20
True/False Question : Consider the function $f\left ( x \right )=ax+b$ with $a,b\in \mathbb{R}$. Then the iteration $x_{n+1}=f\left ( x_{n} \right ); \: \:\:\:\:\:n\geq 0$ for a given $x_{0}$ converges to $b/\left ( 1-a \right )$ whenever $0<a<1.$
True/False Question : Consider the function $f\left ( x \right )=ax+b$ with $a,b\in \mathbb{R}$. Then the iteration $x_{n+1}=f\left ( x_{n} \right ); \: \:\:\:\:\:n\geq 0$ for a given $x_{0}$ converges to $b/\left ( 1-a \right )$ whenever $0<a<1.$
asked
Aug 30, 2020
in
TIFR
soujanyareddy13
10
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tifrmaths2013
true-false
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