Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged q16
Questions
Prove the following statement by the principle of mathematical induction : \[\] $1+5+9+...+(4n-3)=n(2n-1)$ for all natural numbers $n$.
cbse
class11
ch4
mathematical-induction
exemplar
q16
asked
May 5, 2014
by
thanvigandhi_1
1
answer
Find points on the curve $y=x^2+1$ at which the slope of the tangent is equal to its $x$ coordinate.
cbse
class12
ch5
additionalproblem
q16
asked
May 1, 2014
by
meena.p
0
answers
Prove the following by using the principle of mathematical induction for all $n \in N$ \[\] $ \large\frac{1}{1.4}$$+\large\frac{1}{4.7}$$+\large\frac{1}{7.10}$$+...+\large\frac{1}{(3n-2)(3n+1)}$$=\large\frac{n}{(3n+1)}$
cbse
class11
ch4
mathematical-induction
bookproblem
sec3
exercise-4.1
q16
asked
Apr 30, 2014
by
thanvigandhi_1
1
answer
Find the most general value of $\theta$ satisfying the equation $\tan\theta=-1$ and $\cos \theta=\large\frac{1}{\sqrt 2}$
cbse
math
class11
ch3
trigonometric-functions
exemplar
q16
sec-b
medium
asked
Apr 18, 2014
by
sreemathi.v
1
answer
Prove : $\large\frac{\cos 9x-\cos 5x}{\sin 17x-\sin 3x}=-\frac{\sin 2x}{\cos 10x}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q16
sec-b
medium
asked
Apr 17, 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 ) $\large\frac{\cos x}{1+\sin x}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q16
asked
Apr 14, 2014
by
thanvigandhi_1
1
answer
A mass $m$ is supported by a massless string wound around a uniform hollow cylinder of mass $m$ and radius $R$. If the string does not slip on the cylinder, with what acceleration will the mass fall on release?
jeemain
jeemain-2014
physics
q16
medium
asked
Apr 7, 2014
by
meena.p
1
answer
Evaluate the following limits $ \lim\limits_{x \to 0} \large\frac{ \cos \: x}{ \pi - x}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
limits
exercise13-1
p301-303
q16
asked
Apr 3, 2014
by
thanvigandhi_1
1
answer
Find the equation of an ellipse that satisfies the following conditions: Length of minor axis $ = 16$ and Foci $ = (0,\pm6)$
cl35707
cl35701
cl35314
cl35310
cl35306
cl35304
math
cbse
class11
ch11
exercise11-3
conic-sections
ellipse
q16
easy
sec-b
asked
Apr 3, 2014
by
balaji.thirumalai
1
answer
If $a\bigg(\large\frac{1}{b}+\frac{1}{c}\bigg)$$,\:b\bigg(\large\frac{1}{c}+\frac{1}{a}\bigg)$$,\:c\bigg(\large\frac{1}{a}+\frac{1}{b}\bigg)$ are in A.P., then prove that $a,b,c$ are in A.P.
cbse
class11
ch9
bookproblem
misc
difficult
sec-b
q16
math
sequences-and-series
asked
Mar 31, 2014
by
rvidyagovindarajan_1
1
answer
Which of the following amino acid is achiral?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
easy
q16
asked
Mar 27, 2014
by
thanvigandhi_1
1
answer
Three cards are drawn at random (without replacement) from a well shuffled pack of 52 playing cards. Find the probability distribution of number of red cards. Hence find the mean of the distribution.
cbse
class12
modelpaper-2014
65-2-3
sec-b
q16
math
asked
Mar 23, 2014
by
rvidyagovindarajan_1
1
answer
The reagent used in Hoffmann’s mustard oil reaction is
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q16
medium
asked
Mar 21, 2014
by
thanvigandhi_1
1
answer
For which of the following metals, hydrometal lagrical exceractive method may be emploved
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q16
medium
asked
Mar 17, 2014
by
meena.p
1
answer
Which of the following is zero during adiabatic expansion of gas?
jeemain
physics
thermodynamics
cbse
class11
class12
q16
easy
asked
Mar 15, 2014
by
thanvigandhi_1
1
answer
Which one of the following would require the largest amount of energy to cause dissociation
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
bond-parameters
q16
difficult
asked
Mar 10, 2014
by
sreemathi.v
1
answer
Synthetic polymer prepared by using ethylene glycol and terephthalic acid is known as
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry
polymers
q16
easy
asked
Mar 6, 2014
by
thanvigandhi_1
1
answer
Among the following,the paramagnetic species is
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
valence-bond-theory
q16
easy
asked
Mar 4, 2014
by
sreemathi.v
1
answer
In the below sequence Y is
jeemain
chemistry
unit13
class12
organic-chemistry
nitrogen
amines
q16
easy
asked
Feb 28, 2014
by
sreemathi.v
1
answer
Find the G.P. the sum of whose first two terms is $-4$ and the $5^{th}$ term is $4$ times the $3^{rd}$ term.
cbse
class11
ch9
bookproblem
exercise9-3
sec-b
easy
q16
math
sequences-and-series
asked
Feb 27, 2014
by
rvidyagovindarajan_1
1
answer
Between $1\:\:and\:\:31$ $m$ numbers are inserted so that the resulting sequence is an $A.P.$ and the ratio of $7^{th}\:\;and\:\:(m-1)^{th}$ numbers is $5:9$. find the value of $m$.
cbse
class11
ch9
bookproblem
exercise9-2
easy
sec-b
q16
math
sequences-and-series
asked
Feb 24, 2014
by
rvidyagovindarajan_1
1
answer
Hyper conjugation involves overlap of the following orbitals
jeemain
chemistry
class11
organic-chemistry
q16
difficult
basic-organic-chemistry
ch12
asked
Feb 21, 2014
by
meena.p
1
answer
Refer the below :
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q16
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
A gas will approach ideal behaviour at :
jeemain
chemistry
physical-chemistry
class11
unit5
states-of-matter
gas-laws
easy
q16
asked
Feb 13, 2014
by
sharmaaparna1
1
answer
The angle between two lines is $\large\frac{\pi}{4}$ and the slope of one of them is $\large\frac{1}{4}$ and other is $x$.Find the value of $x$.
jeemain
math
class11
coordinate-geometry
straight-lines
slope-of-a-line
ch10
q16
medium
asked
Feb 4, 2014
by
sreemathi.v
1
answer
If O be the origin and the coordinates of P be (1, 2, – 3), then find the equation of the plane passing through P and perpendicular to OP.
cbse
class12
bookproblem
ch11
misc
p499
q16
sec-b
medium
math
asked
Feb 3, 2014
by
rvidyagovindarajan_1
1
answer
Given $y(0) =2000$ and $\large\frac{dy}{dx} =3200-20y^2$ then find the value of $\displaystyle\lim _{x \to \infty} y(n)$
jeemain
math
class12
ch9
differential-equations
formation-of-differential-equations
q16
difficult
asked
Feb 3, 2014
by
meena.p
1
answer
Which of the following exhibits purple colour in solution?
jeemain
chemistry
class12
coordination-compounds
unit9
q16
easy
asked
Jan 31, 2014
by
sreemathi.v
1
answer
The approximate ratio of resistance in forward bias of p-n junction is
jeemain
physics
class12
unit19
ch14
q16
easy
semiconductor-electronics
concepts
asked
Jan 27, 2014
by
meena.p
1
answer
The II group metal ion having $6s^2,6p^6$ as outer electron configuration is
jeemain
chemistry
class11
s-block-elements
unit10
q16
easy
asked
Jan 27, 2014
by
sreemathi.v
1
answer
If p : It rains today. q : I go to school. r : I shall meet my friends. s : I shall go for a movie. Then which of the following is the proportionate representation of the statement, If it does not rain or if I do not go to school, then I shall meet my friends and go for a movie.
jeemain
math
mathematical-reasoning
class11
ch14
difficult
implications-(tautology-contradiction.)
q16
asked
Jan 23, 2014
by
thanvigandhi_1
1
answer
The metal which gives hydrogen on treatment with acid as well as sodium hydroxide is
jeemain
chemistry
class11
hydrogen
unit9
q16
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
In which of the following statements is the OR inclusive?
jeemain
math
mathematical-reasoning
class11
ch14
medium
logical-operations-(and-or)
q16
asked
Jan 20, 2014
by
thanvigandhi_1
1
answer
The amount of oxygen required for healthy growth of plants and animals in water is
jeemain
chemistry
class11
environmental-chemistry
unit14
q16
easy
asked
Jan 20, 2014
by
sreemathi.v
1
answer
What is the negation of the statement: Opposite sides of a rectangle have same length?
jeemain
math
mathematical-reasoning
class11
ch14
easy
statements
q16
asked
Jan 17, 2014
by
thanvigandhi_1
1
answer
The mean deviation for normal curve measured from mean value is
jeemain
math
cbse
class12
probability
difficult
q16
asked
Jan 15, 2014
by
thanvigandhi_1
1
answer
The maximum sum of the number of neutrons and protons in an isotope of hydrogen is
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
sub-atomic-particles
q16
easy
asked
Jan 10, 2014
by
sreemathi.v
1
answer
In a binomial distribution $B \bigg( n, P = \large\frac{1}{4} \bigg)$ If the probability of at least one success is greater than or equal to $ \large\frac{9}{10}$ then $n$ is greater than
jeemain
math
cbse
class12
probability
bionomial-distribution
medium
q16
asked
Jan 9, 2014
by
thanvigandhi_1
1
answer
$1.387g$ of a sample containing KCl and $NH_4Cl$ is heated until constant weight.The residue is dissolved in 20ml of N/10 $AgNO_3$ solution.Calculate % of chlorine in mixture.
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
percentage-composition
q16
difficult
asked
Jan 7, 2014
by
sreemathi.v
1
answer
The probability that in a throw of 12 dice 1,1, 2,2, 3,3, 4,4, 5,5, 6,6 will occur in any sequence is :
jeemain
math
cbse
class12
probability
bionomial-distribution
easy
q16
asked
Jan 2, 2014
by
thanvigandhi_1
1
answer
The sum of terms of a series is $\frac{2^n-1}{3}$.What is the type of series AP or GP. What is the value of d or r (common difference of AP or common ratio of GP)
jeemain
math
class11
ch9
sequences-and-series
easy
geometric-progression
q16
asked
Dec 31, 2013
by
yamini.v
1
answer
If a line $\overline {AB}$ makes angle $45^{\circ}$ with positive $x-axis$ and $120^{\circ}$ with positive $y-axis$, then the angle $\theta$ made by the line with positive $z-axis$ is ?
jeemain
math
class12
ch11
3d-geometry
direction-cosines
easy
q16
asked
Dec 27, 2013
by
rvidyagovindarajan_1
1
answer
$\lim\limits_{x\to 0}\large\frac{\sqrt{1-\cos 2x}}{\sqrt{2x}}$ is
jeemain
math
class12
ch5
continuity-and-differentiability
continuity
easy
q16
asked
Dec 20, 2013
by
sreemathi.v
1
answer
At $ 10^{\circ}C$ the value of density of a fixed mass of an ideal gas divided by its pressure is x. At $110^{\circ}C$ this ratio is :
aipmt
modelpaper
physics
2008
q16
asked
Dec 15, 2013
by
thanvigandhi_1
1
answer
Page:
« prev
1
2
3
4
5
6
7
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...