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Recent questions tagged q30
Questions
Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to
cbse
math
class11
ch7
permutations-and-combinations
exercise7-3
exemplar
q30
sec-b
medium
asked
May 16, 2014
by
sreemathi.v
1
answer
State whether the following statement is true or false. Justify. Let $P(n)$ be a statement and let $P(k) \Rightarrow P(k+1)$, for some natural number $k$, then $P(n)$ is true for all $n \in N$.
cbse
class11
ch4
mathematical-induction
exemplar
q30
asked
May 6, 2014
by
thanvigandhi_1
0
answers
If $\sin \theta+cosec\theta=2$,then $\sin^2\theta+cosec^2\theta$ is equal to
cbse
math
class11
ch3
trigonometric-functions
exemplar
q30
sec-b
medium
asked
Apr 21, 2014
by
sreemathi.v
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $\large\frac{x}{\sin^nx}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q30
asked
Apr 16, 2014
by
thanvigandhi_1
1
answer
Assume that an electric field $\bar {E}=30x^2 \hat i$ exists in space. Then the potential difference $V_A - V_O$ , where $V_O$ is the potential at the origin and $V_A$ the potential at $x = 2$ $m$ is :
jeemain
jeemain-2014
physics
q30
medium
asked
Apr 7, 2014
by
meena.p
1
answer
$f(x)=\left\{\begin{array}{1 1}|x|+1,&x<0\\0,&x=0 \\|x|-1,&x>0\end{array}\right.$ \[\] For what value(s) of a does $ \lim\limits_{x \to a}f(x)$ exists?
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
limits
exercise13-1
p301-303
q30
asked
Apr 7, 2014
by
thanvigandhi_1
1
answer
Which of the following is not a protein?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
easy
q30
asked
Mar 27, 2014
by
thanvigandhi_1
1
answer
Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound X, if water during the reaction is continuously removed. The compound formed is generally known as
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q30
medium
asked
Mar 25, 2014
by
thanvigandhi_1
1
answer
Iron is not attacked by
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q30
medium
asked
Mar 17, 2014
by
meena.p
1
answer
The bond energy of $O-H$ bond is $109\: kcal/mol$. The value of $ \Delta H_f$ of $H2_O(g)$ is
jeemain
physics
thermodynamics
cbse
class11
class12
q30
easy
asked
Mar 15, 2014
by
thanvigandhi_1
1
answer
Which of the following compound will have the highest dipole moment?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
bond-parameters
q30
difficult
asked
Mar 10, 2014
by
sreemathi.v
1
answer
Orlon has a unit of
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry
polymers
q30
easy
asked
Mar 7, 2014
by
thanvigandhi_1
1
answer
The number of bacteria in certain culture doubles every hour. If there were $30$ bacteria present in the culture originally, how many bacteria will be present at the end of $2^{nd}$ hour, $4^{th}$ hour and $n^{th}$ hour?
cbse
class11
ch9
bookproblem
exercise9-3
sec-a
easy
q30
math
sequences-and-series
asked
Mar 6, 2014
by
rvidyagovindarajan_1
1
answer
The hybridisation of $XeOF_4$ molecule is
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
hybridization
q30
easy
asked
Mar 5, 2014
by
sreemathi.v
1
answer
What would be the major product of the following reaction
jeemain
chemistry
unit13
class12
organic-chemistry
nitrogen
amines
q30
medium
asked
Mar 3, 2014
by
sreemathi.v
1
answer
The wavelength of a radio wave of frequency of $1\: MHz$ is:
jeemain
aipmt
physics
cbse
class12
ch8
electromagnetic-waves
q30
easy
asked
Feb 27, 2014
by
thanvigandhi_1
1
answer
The hybridisation of carbon atoms in $C-C$ single bond of $HC \equiv C-CH = CH_2$ is
jeemain
chemistry
class11
organic-chemistry
q30
medium
basic-organic-chemistry
ch12
asked
Feb 21, 2014
by
meena.p
1
answer
The cannizzaro reaction is given below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q30
medium
asked
Feb 20, 2014
by
sreemathi.v
1
answer
$20 dm^3$ of $SO_2$ diffuses through a porous partition in 60 Seconds. What Volume be $O_2$ will diffuse under similiar conditions in 30 second?
chemistry
jeemain
physical-chemistry
class11
states-of-matter
gas-laws
easy
q30
asked
Feb 14, 2014
by
sharmaaparna1
1
answer
Osmotic pressure of a dilute solution is
jeemain
chemistry
class12
ch2
solutions
q30
easy
colligative-properties
osmotic-pressure
basics
asked
Feb 13, 2014
by
sreemathi.v
1
answer
The extremities of the diagonal of a square are (1,1) & (-1,-1).Obtain two vertices and equation of diagonal.
jeemain
math
class11
coordinate-geometry
straight-lines
distance-of-a-point-from-a-line
ch10
q30
difficult
asked
Feb 5, 2014
by
sreemathi.v
1
answer
General solution of differential equation : $(1+y^2)dx =(\tan^{-1}y -x)dy$
jeemain
math
class12
ch9
differential-equations
solving-using-separation-of-variables
q30
medium
asked
Feb 4, 2014
by
meena.p
1
answer
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