info@clay6.com
Login
Ask Questions, Get Answers
Menu
X
home
ask
homework
questions
practice
JEEMAIN Crash
15 Test Series
NEET Crash
35 Test Series
CBSE XII
Math
JEEMAIN Premium
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET Premium
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
CBSE XII Board Exam Series
BES Math
BES Physics
BES Chemistry
BES Biology
JEEMAIN Crash
15 Test Series
NEET Crash
35 Test Series
CBSE XII
Math
JEEMAIN Premium
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET Premium
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
CBSE XII Board Exam Series
BES Math
BES Physics
BES Chemistry
BES Biology
papers
mobile
tutors
pricing
X
Recent questions tagged objective
Questions
Questions from:
If $3\tan^{-1}x+4\cot^{-1}x=2\pi$ then $ x$ =?
cbse
class12
ch2
q22
p37
objective
exemplar
easy
sec-a
math
jeemain
trigonometry
inverse-trignometric-functions
asked
Jan 28, 2014
by
rvidyagovindarajan_1
1
answer
The feasible region for an LPP is shown in the figure below ( fig 12.13 in textbook ).Let $F=3x-4y$ be the objective function.Minimum value of $F$ is
cbse
class12
ch12
q31
p255
objective
exemplar
sec-a
easy
math
asked
Aug 21, 2013
by
sreemathi.v
1
answer
The feasible region for an LPP is shown in the fig.12.13.Let $F=3x-4y$ be the objective function.Maximum value of $F$ is
cbse
class12
ch12
q30
p255
objective
exemplar
sec-a
easy
math
asked
Aug 21, 2013
by
sreemathi.v
1
answer
The feasible solution for a LPP is shown in fig.12.12.Let $Z=3x-4y$ be the objective function.(Maximum value of $Z$+Minimum value of $Z$) is equal to
cbse
class12
ch12
q29
p255
objective
exemplar
sec-a
easy
math
asked
Aug 21, 2013
by
sreemathi.v
1
answer
The feasible solution for a LPP is shown in fig.12.12.Let $Z=3x-4y$ be the objective function.Maximum of $Z$ occurs at
cbse
class12
ch12
q28
p255
objective
exemplar
sec-a
easy
math
asked
Aug 20, 2013
by
sreemathi.v
1
answer
The feasible solution for a LPP is shown in fig.12.12.Let $Z=3x-4y$ be the objective function.Minimum of $Z$ occurs at
cbse
class12
ch12
q27
p255
objective
exemplar
sec-a
easy
math
asked
Aug 20, 2013
by
sreemathi.v
1
answer
The interval on which the function $f(x)=2x^3+9x^2+12x-1$ is decreasing is :
cbse
class12
ch6
q46
p140
objective
exemplar
easy
sec-a
math
asked
Aug 12, 2013
by
sreemathi.v
1
answer
Two curves $x^3-3xy^2+2=0$ and $3x^2-y^3-2=0$ intersect at an angle of
cbse
class12
ch6
q45
p140
objective
exemplar
sec-a
difficult
math
asked
Aug 12, 2013
by
sreemathi.v
1
answer
The marks secured by $400$ students in a Mathematics test were normally distributed with mean $65$. If $120$ students got more marks above $85$, the number of students securing marks between $45$ nd $65$ is
tnstate
class12
bookproblem
p244
objective
q150
modelpaper
oct-2007
asked
Jun 3, 2013
by
poojasapani_1
1
answer
If $f(x)$ is a p.d.f of a normal variate $x$ and $X\sim N(\mu,\sigma^{2})$ then $\int\limits_{-\infty}^{\mu}f(x)dx $ is
tnstate
class12
bookproblem
p244
objective
q149
asked
Jun 3, 2013
by
poojasapani_1
1
answer
The random variable $X$ follows normal distribution $f(x)=ce\large\frac{-1/2(x-100)^{2}}{25}$ Then the value of $c$ is
tnstate
class12
bookproblem
p244
objective
q148
modelpaper
jun-2006
mar-2010
asked
Jun 3, 2013
by
poojasapani_1
1
answer
If $f(x)$ is a p.d.f of a normal distribution with mean $\mu$ then $\int\limits_{-\infty}^{\infty}f(x)dx$ is
tnstate
class12
bookproblem
p244
objective
q147
modelpaper
oct-2006
mar-2007
jun-2007
asked
Jun 3, 2013
by
poojasapani_1
1
answer
In a poisson distribution if $P(X=2)=P(X=3)$ then the value of its parameter $\lambda$ is
tnstate
class12
bookproblem
p244
objective
q146
asked
Jun 3, 2013
by
poojasapani_1
1
answer
For a poisson distribution with parameter $ \lambda=0.25$ the value of the $2^{nd}$ moment about the origin is
tnstate
class12
bookproblem
p244
objective
q145
modelpaper
oct-2009
asked
Jun 3, 2013
by
poojasapani_1
1
answer
The distribution function $F(X)$ of a random variable $X$ is
tnstate
class12
bookproblem
p244
objective
q144
modelpaper
mar-2008
asked
Jun 3, 2013
by
poojasapani_1
1
answer
If a random variable $X$ follows poisson distribution such that $E(X^{2})=30$ then the variance of the distribution is
tnstate
class12
bookproblem
p243
objective
q143
modelpaper
jun-2008
asked
May 30, 2013
by
poojasapani_1
1
answer
If in a poisson distribution $P(X=0)=k$ then the variance is
tnstate
class12
bookproblem
p243
objective
q142
modelpaper
oct-2007
mar-2007
oct-2008
mar-2009
asked
May 30, 2013
by
poojasapani_1
1
answer
If $2$ cards are drawn from a well shuffled pack of $52$ cards, the probability that they are of the same colours without replacement, is
tnstate
class12
bookproblem
p243
objective
q141
asked
May 30, 2013
by
poojasapani_1
1
answer
A box contains $6$ red and $4$ white balls.If $3$ balls are drawn at random, the probability of getting $2$ white balls without replacement, is
tnstate
class12
bookproblem
p243
objective
q140
asked
May 28, 2013
by
poojasapani_1
1
answer
In $16$ throws of a die getting an even number is considered a success. Then the variance of the successes is
tnstate
class12
bookproblem
p243
objective
q139
modelpaper
jun-2007
mar-2010
asked
May 28, 2013
by
poojasapani_1
1
answer
If the mean and standard deviation of a binomial distribution are $12$ and $2$ respectively. Then the value of its parameter $p$ is
tnstate
class12
bookproblem
p243
objective
q138
asked
May 28, 2013
by
poojasapani_1
1
answer
The mean of a binomial distribution is $5$ and its standard deviation is $2.$ Then the value of $n$ and $p$ are
tnstate
class12
bookproblem
p243
objective
q137
asked
May 28, 2013
by
poojasapani_1
1
answer
In $5$ throws of a die, getting $1$ or $2$ is a success. The mean number of successes is
tnstate
class12
bookproblem
p243
objective
q136
modelpaper
oct-2006
asked
May 28, 2013
by
poojasapani_1
1
answer
Var $(4X+3)$ is
tnstate
class12
bookproblem
p243
objective
q135
modelpaper
mar-2006
jun-2006
mar-2008
jun-2008
asked
May 28, 2013
by
poojasapani_1
1
answer
$\mu_{2}=20, \mu'_{2}=276$ for a discrete random variable $X$. Then the mean of the random variable $X$ is
tnstate
class12
bookproblem
p243
objective
q134
modelpaper
oct-2009
mar-2010
asked
May 28, 2013
by
poojasapani_1
1
answer
Variance of the random variable $X$ is$4$ .Its mean is $2.$ Then $E(X^{2})$ is
tnstate
class12
bookproblem
p242
objective
q133
modelpaper
jun-2007
mar-2009
asked
May 28, 2013
by
poojasapani_1
1
answer
$X$ is a random variable taking the values $3, 4 $and $12$ with probabilities $\large\frac{1}{3},\frac{1}{4}$ and $\large\frac{4}{7}.$ Then $E(X)$ is
tnstate
class12
bookproblem
p242
objective
q132
modelpaper
oct-2008
asked
May 28, 2013
by
poojasapani_1
1
answer
Given $E(X+c)=8$ and $E(X-c)=12$ then the value of $c$ is
tnstate
class12
bookproblem
p242
objective
q131
modelpaper
oct-2006
oct-2007
jun-2009
asked
May 28, 2013
by
poojasapani_1
1
answer
A random variable $X$ has the following p.d.f\[\]$ \begin{array} {llllllll} \textbf{X:}& 0& 1& 2& 3& 4& 5&6&7 \\ \textbf{P(X):}& 0& k &2k& 2k& 3k& k^{2}&2k^{2}&7k^{2}+k \end{array} $\[\]The value of $k$ is
tnstate
class12
bookproblem
p242
objective
q130
asked
May 28, 2013
by
poojasapani_1
1
answer
$X$ is a discrete random variable which takes the values $0, 1, 2 $ and $P(X=0)=\large\frac{144}{169},$$ P(X=1)=\large\frac{1}{169}$ then the value of $P(X=2)$ is
tnstate
class12
bookproblem
p242
objective
q129
modelpaper
mar-2009
asked
May 28, 2013
by
poojasapani_1
1
answer
A random variable $X$ has the following probability mass function as follows:\[\]$\begin{array} {llllllll} \textbf{X:}& -2& 3 & 1 \\ \textbf{P(X=x):}& \large\frac{\lambda}{6}& \large\frac{\lambda}{4} &\large\frac{\lambda}{12} \end{array}$\[\] Then the value of $\lambda$ is
tnstate
class12
bookproblem
p242
objective
q128
asked
May 28, 2013
by
poojasapani_1
1
answer
A random variable $X$ has the following probability distribution.\[\]$\begin{array} {llllllll} \textbf{X:}& 0& 1& 2& 3& 4& 5 \\ \textbf{P(X=x):}& 1/4& 2a &3a& 4a& 5a& 1/4 \end{array}$\[\]Then $p(1\leq x\leq 4)$ is
tnstate
class12
bookproblem
p242
objective
q127
asked
May 28, 2013
by
poojasapani_1
1
answer
If $f(x)=\large\frac{A}{\pi}\frac{1}{16+x^{2'}}$$-\infty<x<\infty$\[\]is a p.d.f of a continuous random variable $X,$ then the value of $A$ is
tnstate
class12
bookproblem
p241
objective
q126
modelpaper
mar-2006
mar-2007
oct-2008
oct-2009
asked
May 28, 2013
by
poojasapani_1
1
answer
If $ f(x) = \left\{ \begin{array}{l l} kx^{2}, & \quad \text{$0<x<3$}\\ 0, & \quad \text{elsewhere} \end{array} \right. $ is a probability density function then the value of $k$ is
tnstate
class12
bookproblem
p241
objective
modelpaper
jun-2008
jun-2009
asked
May 28, 2013
by
poojasapani_1
0
answers
In the set of integers under the operation $^\ast $ defined by $a^{\ast}b=a+b-1$ the identity element is
tnstate
class12
bookproblem
p241
objective
q124
modelpaper
mar-2007
asked
May 27, 2013
by
poojasapani_1
1
answer
In the multiplicative group of $n{ th } $ roots of unity, the inverse of $\omega^{k}$ is $(k<n)$
tnstate
class12
bookproblem
p241
objective
q123
modelpaper
jun-2006
mar-2008
oct-2009
asked
May 27, 2013
by
poojasapani_1
1
answer
The order of $-i$ in the multiplicative group of $4^{th} $ roots of unity is
tnstate
class12
bookproblem
p241
objective
q122
asked
May 27, 2013
by
poojasapani_1
1
answer
Which of the following is correct?
tnstate
class12
bookproblem
p241
objective
q121
modelpaper
oct-2007
asked
May 27, 2013
by
poojasapani_1
1
answer
In the set of real numbers $R,$ an operation $^\ast $is defined by $a^\ast b=\sqrt{a^{2}+b^{2}}.$ Then the value of $(3^\ast4)^\ast 5$ is
tnstate
class12
bookproblem
p241
objective
q120
asked
May 27, 2013
by
poojasapani_1
1
answer
The value of $[3]+11([5]+11[6])$ is
tnstate
class12
bookproblem
p241
objective
q119
modelpaper
mar-2006
jun-2009
asked
May 27, 2013
by
poojasapani_1
1
answer
In the multiplicative group of cube root of unity, the order of $w^{2}$ is
tnstate
class12
bookproblem
p240
objective
q118
modelpaper
jun-2007
oct-2008
asked
May 24, 2013
by
poojasapani_1
1
answer
The order of $[7]$ in $(Z_{9},+_{9})$ is
tnstate
class12
bookproblem
p240
objective
q117
modelpaper
oct-2006
oct-2007
jun-2008
mar-2009
asked
May 24, 2013
by
poojasapani_1
1
answer
In the set of integers with operation $^{\ast}$ defined by $a ^{\ast} b=a+b-ab,$ the value of $3^{\ast}(4^{\ast} 5)$ is
tnstate
class12
bookproblem
p240
objective
q116
modelpaper
jun-2006
asked
May 24, 2013
by
poojasapani_1
1
answer
Which of the following is not a group?
tnstate
class12
bookproblem
p240
objective
modelpaper
oct-2008
asked
May 24, 2013
by
poojasapani_1
1
answer
A monoid becomes a group if it also satisfies the
tnstate
class12
bookproblem
p240
objective
q114
modelpaper
mar-2008
asked
May 24, 2013
by
poojasapani_1
1
answer
Which of the following is not a binary operation on $R$
tnstate
class12
bookproblem
p240
objective
q113
modelpaper
oct-2007
jun-2008
jun-2009
mar-2010
asked
May 24, 2013
by
poojasapani_1
1
answer
$p\leftrightarrow q$ is equivalent to
tnstate
class12
bookproblem
p240
objective
q112
modelpaper
mar-2006
mar-2007
asked
May 24, 2013
by
poojasapani_1
1
answer
Which of the following is a contradiction ?
tnstate
class12
bookproblem
p240
objective
q111
modelpaper
mar-2006
oct-2006
oct-2008
jun-2009
oct-2009
asked
May 24, 2013
by
poojasapani_1
1
answer
Which of the following is a tautology?
tnstate
class12
bookproblem
p240
objective
q110
modelpaper
jun-2007
mar-2008
mar-2009
asked
May 24, 2013
by
poojasapani_1
1
answer
The conditional statement $ p\to q$ is equivalent to
tnstate
class12
bookproblem
p240
objective
q109
modelpaper
mar-2009
asked
May 24, 2013
by
poojasapani_1
1
answer
Page:
1
2
3
4
...
10
next »
Home
Ask
Homework
Questions
Practice
...