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Recent questions tagged exercise1-3
Questions
Given the sets ={1,3,5},B={2,4,6} and C={0,2,4,6,8},which of the following may be considered as universal sets(s) for all three sets A,B and C
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q9
sec-b
medium
asked
May 26, 2014
by
sreemathi.v
1
answer
What universal set(s) would you propose for each of the following :$\begin{array}{1 1}(i) \;\text{The set of right triangles}\\(ii)\;\text{The set of isosceles triangle}\end{array}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q8
sec-b
medium
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following intervals in set-builder form :(iv) $[-23,5]$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q7-iv
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following intervals in set-builder form :(iii) $[6,10]$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q7-iii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following intervals in set-builder form (ii) [6,12]
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q7-ii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following intervals in set-builder form (i) (-3,0)
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q7-i
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following as intervals :(iv) $\{x : x\in R,3 \leq x\leq 4\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q6-iv
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following as intervals :(iii) $\{x : x\in R,0 \leq x\leq 7\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q6-iii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following as intervals :(ii) $\{x : x\in R,-12 < x -10\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q6-ii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write the following as intervals :(i) $\{x : x\in R,-4 < x \leq 6\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q6-i
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
How many elements has $P(A)$,if $A=\phi$?
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q5
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write down all the subsets of the following sets $\phi$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q4-iv
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write down all the subsets of the following sets $\{1,2,3\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q4-iii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write down all the subsets of the following sets $\{a,b\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q4-ii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Write down all the subsets of the following sets $\{a\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q4-i
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why? $\{\phi\}\subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-xi
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why?$\phi \subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-x
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why?(ix) $\phi \in A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-ix
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why? $\{1,2,3\} \subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-viii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why?$\{1,2,5\} \in A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-vii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why? $\{1,2,5\} \subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-vi
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why? $1 \subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-v
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why? $1 \in A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-iv
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why? $\{\{3,4\}\}\subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-iii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why?$\{3,4\}\in A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-ii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Let $A=\{1,2,\{3,4\},5\}$.Which of the following statements are incorrect and why?$\{3,4\}\subset A$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q3-i
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Examine whether the following statements are true or false :$ \{x : x$ is an even natural number less than 6} $\subset \{x : x$ is a natural number which divides $36\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q2-vi
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Examine whether the following statements are true or false :$\{a\}\in\{a,b,c\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q2-v
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Examine whether the following statements are true or false : $\{a\}\subset\{a,b,c\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q2-iv
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Examine whether the following statements are true or false :$\{1,2,3\}\subset\{1,3,5\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q2-iii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Examine whether the following statements are true or false : $\{a,e\} \subset \{x : x$ is a vowel in the English alphabet}
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q2-ii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Examine whether the following statements are true or false :$\{a,b\}\not\subset\{b,c,a\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q2-i
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Make correct statements by filling in the symbol $\subset$ or $\not\subset$ in the black spaces :$\{x : x$ is an even natural number}______$\{x : x\}$ is an integer}
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-vii
sec-a
easy
asked
May 26, 2014
by
sreemathi.v
1
answer
Make correct statements by filling in the symbol $\subset$ or $\not\subset$ in the black spaces :$\{x : x $ is an equilateral triangle in a plane}______$\{x : x$ is a triangle in the same plane}
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-vi
sec-a
easy
asked
May 23, 2014
by
sreemathi.v
1
answer
Make correct statements by filling in the symbol $\subset$ or $\not\subset$ in the black spaces :$ \{x : x $ is a triangle in a plane } ________$\{x : x\} $ is a rectangle in the plane }
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-v
sec-a
easy
asked
May 23, 2014
by
sreemathi.v
1
answer
Make correct statement by filling in the symbol $\subset$ or $\not\subset$ in the black spaces : $\{x : x $is a circle in the plane}______$\{ x: x$ is a circle in the same plane with radius 1 unit}
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-iv
sec-a
easy
asked
May 23, 2014
by
sreemathi.v
1
answer
Make correct statement by filling in the symbol $\subset$ or $\not\subset$ in the black spaces : $\{x : x$ is a student of class XI of your school$\}$ ______ $\{x : x $ student of your school $\}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-iii
sec-a
easy
asked
May 23, 2014
by
sreemathi.v
1
answer
Make correct statement by filling in the symbol $\subset$ or $\not\subset$ in the black spaces : $ {a,b,c}$_______ ${b,c,d}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-ii
sec-a
easy
asked
May 23, 2014
by
sreemathi.v
1
answer
Make correct statement by filling in the symbol $\subset$ or $\not\subset$ in the black spaces : ${2,3,4}$_______ ${1,2,3,4,5}$
cbse
math
class11
ch1
sets
bookproblem
exercise1-3
q1-i
sec-a
easy
asked
May 23, 2014
by
sreemathi.v
1
answer
Find the rank of the following matrix :$\begin{bmatrix} 1 & -2 & 3 &4 \\-2 & 4 & -1 &-3 \\-1 & 2 & 7 &6 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec-1
exercise1-3
p19
q6
mar-2006
modelpaper
sec-b
medium
asked
Mar 29, 2013
by
poojasapani_1
1
answer
Find the rank of the following matrix :$\begin{bmatrix} 1 & 2 & -1 &3 \\2 & 4 & 1 &-2 \\3 & 6 & 3 &-7 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec-1
exercise1-3
p19
q5
oct-2008
modelpaper
sec-b
medium
asked
Mar 29, 2013
by
poojasapani_1
1
answer
Find the rank of the following matrix :$\begin{bmatrix} 0 & 1 & 2 &1 \\2 & -3 & 0 &-1 \\1 & 1 & -1 & 0 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec-1
exercise1-3
p19
q4
sec-b
medium
asked
Mar 29, 2013
by
poojasapani_1
1
answer
Find the rank of the following matrix :$\begin{bmatrix} 3 & 1 & 2 &0 \\1 & 0 & -1 &0 \\2 & 1 & 3 &0 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec-1
exercise1-3
p19
q3
jun-2008
sec-b
easy
asked
Mar 29, 2013
by
poojasapani_1
1
answer
Find the rank of the following matrix :$\begin{bmatrix} 6 & 12 & 6 \\1 & 2 & 1 \\4 & 8 & 4 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec-1
exercise1-3
p19
q2
sec-b
medium
asked
Mar 29, 2013
by
poojasapani_1
1
answer
Find the rank of the following matrix :$\begin{bmatrix} 1 & 1 & -1 \\3 & -2 & 3 \\2 & -3 & 4 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec-1
exercise1-3
p19
q1
sec-b
medium
asked
Mar 29, 2013
by
poojasapani_1
1
answer
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