Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions in JEEMAIN and NEET
Questions
>>
JEEMAIN and NEET
JEEMAIN and NEET
Mathematics
Physics
Chemistry
Biology
NEET PAST PAPERS
JEEMAIN PAST PAPERS
The set that cannot be represented by roster form is:
jeemain
math
class11
ch1
sets
types
of
easy
asked
May 17, 2013
by
rvidyagovindarajan_1
1
answer
How is Null set represented in set builder form ?
jeemain
math
class11
ch1
sets
types
of
easy
asked
May 17, 2013
by
rvidyagovindarajan_1
1
answer
If $A\cap B=B$ then what can you say about $A$ and $B $?
jeemain
math
class11
ch1
sets
operation
on
easy
asked
May 17, 2013
by
rvidyagovindarajan_1
1
answer
If $A\cup B=A,\:\:$ then what can you say about $A$ and $B$?
jeemain
math
class11
ch1
sets
operation
on
easy
asked
May 17, 2013
by
rvidyagovindarajan_1
1
answer
Range of $f(x)=\large\frac{|x|}{x}$ is ?
jeemain
math
class11
ch2
relations-and-functions
function
easy
asked
May 17, 2013
by
rvidyagovindarajan_1
1
answer
Domain of $y=log(1+x)$ is ?
jeemain
math
class11
ch2
relations-and-functions
easy
asked
May 17, 2013
by
rvidyagovindarajan_1
1
answer
If $A,B\:and\: C$ are three finite sets, then $[(A\cup B)\cap C]' $ = ?
jeemain
math
class11
ch1
sets
sec-a
easy
asked
May 15, 2013
by
rvidyagovindarajan_1
1
answer
How many proper subsets are there for a set having 5 elements ?
jeemain
math
class11
ch1
sets
sec-a
easy
asked
May 15, 2013
by
rvidyagovindarajan_1
1
answer
If $V=\{x:\:x+2=0\}$, $\:R=\{x:\:x^2+2x=0\}$ and $\:\:S=\{x:\:x^2+x-2=0\}$, then for what value of $x$, $V=R=S$ ?
jeemain
math
class11
ch1
sets
sec-a
easy
asked
May 15, 2013
by
rvidyagovindarajan_1
1
answer
If $f=\{(1,5),(2,6),(3,4)\}$ and $g=\{(4,7),(5,8),(6,9)\}$, then $gof$ = ?
jeemain
math
class11
ch2
relations-and-functions
easy
asked
May 15, 2013
by
rvidyagovindarajan_1
1
answer
$f:N\rightarrow Z$ is a function defined as $f(n)=\left\{ \begin {array} {1 1} \large\frac{n-1}{2}, \:\:when\:\: n\:\: is\:\: odd \\ -\large \frac{n}{2},\:\:when\:\: n\:\: is\:\: even \\ \end{array} \right.$, then $f$ is
jeemain
math
class12
ch1
relations-and-functions
easy
asked
May 13, 2013
by
rvidyagovindarajan_1
1
answer
If $M$ is the set of all $2\times 2$ matrices with real entries and $f :M\rightarrow R$ is defined as $ f(A)=|A| \:\forall\:A\in M$, then $f$ is
jeemain
math
class12
ch1
sets-relations-and-functions
medium
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $g(x)=1+x-[x]$ where $[x]$ is greatest integer $x$ and $f(x)=\left\{\begin{array}{111}-1,\:\:\:\:x<0\\0,\:\:\:\:\:x=0\\1,\:\:\:\:\:x>0\end{array}\right.$ then $fog(x)=?$
jeemain
math
class12
ch1
relations-and-functions
difficult
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=x^2\:\:and\:\:g(x)=2^x$ and $fog(x)=gof(x)$ then $x$ = ?
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
easy
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=\large\frac{1}{1-x}$ is a function defined in $R-\{1\}$ then $\;fofof(x)$ = ?
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
medium
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $*$ is a binary operation defined as $a*b=3a-b$, then $(2*3)*4=$ ?
jeemain
math
class12
ch1
relations-and-functions
binary-operation
easy
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If * is a binary operation defined by a*b=$\frac{ab}{100}$ in $Q^+$ then the inverse element of 0.1 is:
jeemain
math
class12
ch1
relations-and-functions
binary-operations
easy
asked
May 12, 2013
by
rvidyagovindarajan_1
1
answer
If $[2x-3]=5$, what are the values of $x$ where $[.]$ is greatest integer function
jeemain
math
class11
ch2
relations-and-functions
function
medium
asked
May 8, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=log\bigg(\large\frac{1+x}{1-x}\bigg)$, then $f(x)+f(y)$ = ?
jeemain
math
class11
ch2
relations-and-functions
function
difficult
asked
May 8, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)=x^2$ $g(x)=sinx$, $\forall x\in R$, then the set of all $x$ satisfying $fogogof(x)=gogof(x)$ is
jeemain
math
class12
ch1
relations-and-functions
composition-of-functions
medium
asked
May 7, 2013
by
rvidyagovindarajan_1
1
answer
If $f(x)$ is a real valued function satisfying $f(x+1)+f(x-1)=2f(x)$ $\forall x\in R$ and $f(0)=0$, then for any $n\in N,\:f(n)$ = ?
jeemain
math
class12
ch1
relations-and-functions
composition
of
functions
difficult
asked
May 7, 2013
by
rvidyagovindarajan_1
1
answer
If $f:R\rightarrow R$ is a function defined as $f(2x+3)+f(2x+7)=2$ $\forall x\in R$ then the period of $f(x)$ is
jeemain
math
class11
ch2
relations-and-functions
functions
difficult
asked
May 7, 2013
by
rvidyagovindarajan_1
1
answer
The range of the real valued function $f(x)=\large\frac{x^2+x+2}{x^2+x+1}$ is
jeemain
math
class11
ch2
relations-and-functions
functions
difficult
asked
May 7, 2013
by
rvidyagovindarajan_1
1
answer
The domain of $y=sin^{-1}(1+3x+2x^2)$ is
jeemain
math
class12
ch1
relations-and-functions
composition
of
functions
medium
asked
May 7, 2013
by
rvidyagovindarajan_1
1
answer
If $A\:and\:B$ are two sets such that $(A-B)\cup B=A$, then what can you say about $A\:and\:B$?
jeemain
math
class11
ch1
sets
venn
diagram
and
operations
on
easy
asked
May 4, 2013
by
rvidyagovindarajan_1
1
answer
If $f:R\rightarrow S$ defined by $\:f(x)=\sin x-\sqrt3\; \cos x+1\;$ is onto function then $S$ = ?
jeemain
math
class12
ch1
relations-and-functions
types
of
functions
difficult
asked
May 4, 2013
by
rvidyagovindarajan_1
1
answer
If $f$ is a real values function satisfying $f(x+y)=f(x)\;f(y)$ and $f(1)=a$ where $x,y\in R$, then $f(x)$ =
jeemain
math
class12
ch1
relations-and-functions
composition of functions
difficult
asked
May 4, 2013
by
rvidyagovindarajan_1
1
answer
The value of $\alpha$ for which the function $f(x)=1+\alpha x,\:\:\alpha\neq 0$ is the inverse of itself is:
jeemain
math
class12
ch1
relations-and-functions
composition
of
functions
medium
asked
May 4, 2013
by
rvidyagovindarajan_1
1
answer
The inverse of $f(x)=x-[x],$ where $[x]$ is greatest integer function is
jeemain
math
class12
ch1
relations-and-functions
composition
of
functions
difficult
asked
May 2, 2013
by
rvidyagovindarajan_1
2
answers
What is the inverse of the function $f(x)=\large\frac{e^x-e^{-x}}{e^x+e^{-x}}$
jeemain
math
class12
ch1
relations-and-functions
composition
of
functions
medium
asked
May 2, 2013
by
rvidyagovindarajan_1
1
answer
What is the domain of $f(x)=\large\frac{[x]+1}{[x]-1}$ where $[x]$ is greatest integer function
jeemain
math
class11
ch2
relations-and-functions
functions
easy
asked
May 1, 2013
by
rvidyagovindarajan_1
1
answer
The no. of subsets of a finite set A is 56 more than the no. of subsets of another finite set B. What is the no. of elements of A?
jeemain
math
class11
ch1
sets
subsets-universal-sets-and-power-sets
medium
asked
May 1, 2013
by
rvidyagovindarajan_1
1
answer
If $A=\{1,2,3\}$ then the no. of relations in $A$ containing $(1,2)$ and $(1,3)$ which are reflexive and symmetric but not transitive is
jeemain
math
class12
ch1
relations-and-functions
types
of
relations
easy
asked
May 1, 2013
by
rvidyagovindarajan_1
1
answer
If * is binary operation defined in N as a*b=$a^3+b^3$ then * is
jeemain
math
class12
ch1
relations-and-functions
binary-operations
easy
asked
May 1, 2013
by
rvidyagovindarajan_1
1
answer
If n(A) = 4, n(B) = 6, then the number of 1-1 functions from A to B is
jeemain
math
class12
ch1
relations-and-functions
types-of-functions
medium
asked
May 1, 2013
by
rvidyagovindarajan_1
1
answer
The domain of $sin^{-1}\big[log_3(\large\frac{x}{3})\big]$ is
jeemain
math
class11
ch2
relations-and-functions
functions
difficult
asked
Apr 29, 2013
by
rvidyagovindarajan_1
1
answer
If $ A=\{x\;/\;x\in\:N, \: $ and $\:x$ is a multiple of $3$ $\leq100\}$ and $B=\{x/x\in\:N\:$ and $\:x$ is multiple of $5$ $\leq\:100\}$, then no. of elements in $(A\times\:B)\cap\:(B\times\:A)\:is$
jeemain
math
class11
ch1
sets
venn-diagram-and-operations
easy
asked
Apr 29, 2013
by
rvidyagovindarajan_1
1
answer
If $ S $ is a set having 10 elements in it and $A$ is a relation in $S$ defined as $A=\{(x,y)$, where $ x,y \in\:S\;$ and $\;x\neq\;y.\}$, then no. of elements in $A$ is
jeemain
math
class11
ch2
relations-and-functions
relations
easy
asked
Apr 29, 2013
by
rvidyagovindarajan_1
1
answer
If $A=\{1,2,3,4\}$ and $B=\{1,2\}$, then the number of onto functions from $A$ to $B$ is
jeemain
math
class12
ch1
relations-and-functions
functions
medium
asked
Apr 28, 2013
by
rvidyagovindarajan_1
1
answer
If the set $S={1,2,3...........12}$ is to be partitioned into 3 sets A,B,C of equal size so that $A\cup\:\:B\cup\:C=S\:and\:A\cap\:B=B\cap\:C=C\cap\: A=\phi$, then the number of ways the partition can be done is equal to: \[\] $(A)\:\:\:\large \frac{12!}{3!(3!)^4}\quad$ $(B)\:\:\:\large \frac{12!}{(4!)^3}\quad$ $(C)\:\:\:\ \large \frac{12!}{(3!)^3}\quad$ $(D)\:\:\: \large \frac{12!}{3!(4!)^3}\quad$
asked
Apr 26, 2013
by
balaji.thirumalai
1
answer
If the set $S={1,2,3...........12}$ is to be partitioned into $3$ sets $A,B,C$ of equal size so that $A\cup B\cup C=S$ and $A\cap B=B\cap C=C\cap A=\phi$, then the no. of ways the partition can be done is
jeemain
math
class11
ch1
sets
venn
diagram
operation
on
difficult
asked
Apr 26, 2013
by
rvidyagovindarajan_1
1
answer
Page:
« prev
1
...
390
391
392
393
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...