Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
tutors
pricing
login
X
Recent questions tagged sec1
ASK
The relation \(R\) in the set \(A\) of points in a plane given by \(R = \{(P, Q)\) : distance of the point \(P\) from the origin is same as the distance of the point \(Q\) from the origin\(\}\), is a) Reflexive only b) Symmetry C) both reflexive and symmetry but not transitive d) Is an equivalence relation. Also show that the set of all points related to a point Pis not equal to (0,0) is the circle passing through P with origin as centre.
cl121
cbse
class12
bookproblem
ch1
sec1
q11
p6
easy
sec-a
math
asked
Jun 12, 2014
by
balaji.thirumalai
1
answer
\[ \text{If } \begin{vmatrix} 2 x&5 \\ 8&x \end{vmatrix} = \begin{vmatrix} 4&5 \\ 8&3 \end{vmatrix},then\; x\; is\; equal\; to\] \[(A)\; 4\qquad(B)\; \pm 6\qquad (C)\; -6\qquad (D)\;0\]
cbse
class12
bookproblem
ch4
sec1
q8
p109
easy
sec-a
math
asked
Jan 31, 2014
by
rvidyagovindarajan_1
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-5
modelpaper
jun-2008
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-4
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-3
modelpaper
oct-2009
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-2
asked
Sep 13, 2013
by
sreemathi.v
1
answer
For what value of \( \lambda \) is the function defined by \(f\) defined by $ f(x) = \left\{ \begin{array} {1 1} \lambda(x^2 - 2x) ,& \quad\text{ if $ x $ \(\leq 0\)}\\ 4x + 1,& \quad \text{if $x$ > 0}\\ \end{array} \right.$ What about continuity at \( x = 1\)?
cbse
class12
bookproblem
ch5
sec1
q18
q18-2
p160
sec-a
easy
math
asked
Aug 19, 2013
by
sreemathi.v
1
answer
The length \(x\) of a rectangle is decreasing at the rate of 5 cm/minute and the width y is increasing at the rate of 4 cm/minute. When \(x = 8\)cm and \(y = 6\)cm, find the rates of change of (b) the area of the triangle.
cbse
class12
bookproblem
ch6
sec1
q7
q7-b
p198
sec-a
easy
math
asked
Jul 5, 2013
by
sreemathi.v
1
answer
Find the rate of change of the area of a circle with respect to its radius r when $(b)\; r = 4 cm$
cbse
class12
bookproblem
ch6
sec1
q1
q1-b
p197
sec-a
easy
math
asked
Jul 5, 2013
by
sreemathi.v
1
answer
If P(A) = $\large \frac{1}{2}$ and P(B) = 0, then P$\large(\frac{A}{B})$ is?
class12
cbse
easy
bookproblem
sec-a
ch13
sec1
q16
p540
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
A fair die is rolled. Consider events E = {1,3,5}, F = {2,3} and G = {2,3,4,5}. Calculate $ P \large ( \large \frac{ E \cup F}{G})$ and $ P \large ( \large \frac{ E \cap F}{G})$
class12
cbse
bookproblem
ch13
sec1
q11
p539
q11-3
sec-a
easy
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
A fair die is rolled. Consider events E = {1,3,5}, F = {2,3} and G = {2,3,4,5}. Calculate P(E/G) and P(G/E).
cbse
class12
bookproblem
ch13
sec1
p539
q11
easy
q11-2
sec-a
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
A fair die is rolled. Consider events E = {1,3,5}, F = {2,3} and G = {2,3,4,5}. Find P(E|F) and P (F|E),
cbse
class12
ch13
bookproblem
sec1
p539
q11
q11-1
sec-a
easy
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
A black and a red dice are rolled. Find the conditional probability of obtaining a sum greater than 9, given that the black die resulted in a 5.
cbse
class12
bookproblem
ch13
sec1
q10
p539
q10-1
easy
sec-a
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
Determine P(E|F) when Two coins are tossed once, where E : no tail appears, F : no head appears
class12
cbse
bookproblem
ch13
sec1
q7
p539
sec-a
q7-2
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
Determine P(E|F) when a coin is tossed three times, where E : at most two tails , F : at least one tail
cbse
class12
bookproblem
ch13
sec1
p539
q6
sec-a
q6-3
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
Determine P(E|F) when a coin is tossed three times, where E : at least two heads , F : at most two heads
class12
cbse
bookproblem
ch13
sec1
p539
q6
sec-a
q6-2
easy
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
Determine P(E|F) when a coin is tossed three times, where E : head on third toss , F : heads on first two tosses
cbse
class12
bookproblem
ch13
sec1
q6
q6-1
p539
sec-a
easy
math
asked
Jun 18, 2013
by
balaji.thirumalai
1
answer
Discuss the continuity of the following functions $(c)\;f(x)=\sin x.\cos x$
cbse
class12
ch5
sec1
q21
q21-c
p160
sec-a
easy
math
asked
May 28, 2013
by
sreemathi.v
1
answer
Discuss the continuity of the following functions $(b)\;f(x)=\sin x-\cos x$
cbse
class12
ch5
sec1
q21
q21-b
p160
sec-a
easy
math
asked
May 28, 2013
by
sreemathi.v
1
answer
Discuss the continuity of the following functions $(a)\;f(x)=\sin x+\cos x$
cbse
class12
ch5
sec1
q21
q21-a
p160
sec-a
easy
math
asked
May 28, 2013
by
sreemathi.v
1
answer
Answer the following as true or false. (iv) Two collinear vectors having same magnitude are equal.
cbse
class12
bookproblem
ch10
sec1
q5
q5-4
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Answer the following as true or false. (iii) Two vectors having same magnitude are collinear.
cbse
class12
bookproblem
ch10
sec1
q5
q5-3
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Answer the following as true or false. (ii) Two collinear vectors are always equal in magnitude.
cbse
class12
bookproblem
ch10
sec1
q5
q5-2
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following as scalar and vector quantities. $ (v)\;$work done
cbse
class12
bookproblem
ch10
sec1
q3
q3-5
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following as scalar and vector quantities. $ (iv)\; $velocity.
cbse
class12
bookproblem
ch10
sec1
q3
q3-4
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following as scalar and vector quantities. $ (iii)\; $force.
cbse
class12
bookproblem
ch10
sec1
q3
q3-3
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following as scalar and vector quantities. $ $distance.
cbse
class12
bookproblem
ch10
sec1
q3
q3-2
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following measures as scalars and vectors. $20m/s^2$
cbse
class12
bookproblem
ch10
sec1
q2
q2-6
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following measures as scalars and vectors. $10^{-19}$coulomb
cbse
class12
bookproblem
ch10
sec1
q2
q2-5
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following measures as scalars and vectors. $40$watt
cbse
class12
bookproblem
ch10
sec1
q2
q2-4
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following measures as scalars and vectors. $40^\circ$
cbse
class12
bookproblem
ch10
sec1
q2
q2-3
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Classify the following measures as scalars and vectors. $2$ meters north-west
cbse
class12
bookproblem
ch10
sec1
q2
q2-2
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Is the function $f (x) = 5x – 3$ continuous at $x=5$?
cbse
class12
bookproblem
ch5
sec1
exercise5-1
p159
q1
sec-a
easy
q1-3
math
asked
Apr 4, 2013
by
balaji.thirumalai
1
answer
Is the function $f (x) = 5x – 3$ continuous at $x=-3$
cbse
class12
bookproblem
ch5
sec1
exercise5-1
p159
q1
sec-a
easy
q1-2
math
asked
Apr 4, 2013
by
balaji.thirumalai
1
answer
Is the function $f(x) = 5x-3$ continous at $x=0$?
cbse
class12
bookproblem
ch5
sec1
exercise5-1
p159
q1
sec-a
easy
q1-1
math
asked
Apr 4, 2013
by
balaji.thirumalai
1
answer
Find the inverse of following matrix: $\begin{bmatrix} 1 & 3 & 7 \\4 & 2 & 3 \\1 & 2 & 1 \end{bmatrix}$
tnstate
class12
bookproblem
ch1
sec1
exercise1-1
p9
q4
q4-2
sec-b
medium
asked
Mar 28, 2013
by
poojasapani_1
1
answer
Give an example of a relation which is (v) Symmetric and transitive but not reflexive.
cbse
class12
bookproblem
ch1
sec1
p6
easy
sec-a
q10
q10-5
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Give an example of a relation which is (iv) Reflexive and transitive but not symmetric.
cbse
class12
bookproblem
ch1
sec1
p6
easy
sec-a
q10
q10-4
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Give an example of a relation which is (iii) Reflexive and symmetric but not transitive.
cbse
class12
bookproblem
ch1
sec1
p6
easy
sec-a
q10
q10-3
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Give an example of a relation which is (ii) Transitive but neither reflexive nor symmetric.
cbse
class12
bookproblem
ch1
sec1
p6
easy
sec-a
q10-2
q10
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
In a set of integers, is the Relation $R = \{(1,2), (2,1)\}$ symmetrical, transitive or reflexive?
class12
sec-a
cbse
sec1
ch1
additionalproblem
easy
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
The relation $R$ in the set $A=\{x\in Z: 0 \leq x \leq 12\}$, given by $ R = \{(a,b) |a-b|$ is a multiple of 4$\}$. Is the relation reflexive, symmetrical or transitive?
cbse
class12
additionalproblem
ch1
sec1
sec-a
easy
math
jeemain
medium
sets-relations-and-functions
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Is the relation $R$ in the set $A=\{x\in Z: 0 \leq x \leq 12\}$, given by $ R = \{(a,b): a=b\}$ symmetrical, transitive or reflexive?
cbse
class12
ch1
sec1
easy
sec-a
additionalproblem
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Show that the relation $R$ in the set $A=\{x\in Z: 0 \leq x \leq 12\}$, given by $(ii) R = \{(a,b): a=b\}$ is an equivalence relation. Find the set of all elements related to 1.
cbse
class12
bookproblem
ch1
sec1
p6
easy
sec-a
q9
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Is the relation R in the set A={1,2,3,4,5} given by $R=${$(a,b):|a-b| $is even} symmetrical, reflexive or transitive?
cbse
class12
ch1
sec1
easy
sec-a
additionalproblem
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Given the relation \(R\) in the set \(A\) of all the books in a library of a college, given by ( $R = \{ (x, y) : x\;$ and $\; y\;$ have same number of pages$\}$ ). Is $R$ reflexive, symmetric or transitive.
cbse
class12
ch1
sec1
easy
sec-a
additionalproblem
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Is the relation $R$ in the set ${1,2,3}$ given by $R={(1,2), (2,1)}$ symmetric, reflexive or transitive.
cbse
class12
ch1
sec1
easy
sec-a
additionalproblem
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Given a relation \(R\) in \(R\) defined as \(R = {(a, b) : a \leq b} \), is this reflexive, transitive or symmetric.
cbse
class12
ch1
sec1
easy
sec-a
additionalproblem
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Given a Relation $R$ in a set of Real Numbers defined as $(R) =\{(a, b: (a \leq b^2 )\}$. Is the Relation reflexive, transitive or symmetric?
cbse
class12
ch1
sec1
easy
sec-a
additionalproblem
math
asked
Mar 8, 2013
by
balaji.thirumalai
1
answer
Page:
1
2
3
4
...
6
next »
Ask Question
Tag:
Math
Phy
Chem
Bio
Other
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
...