Recent questions tagged q5

Study the following lists

asked Oct 1, 2013 by thanvigandhi_1

1 answer

Let $a_n=\large\frac{10^n}{n !}$ for $n=1,2,3.......$ Then the greatest value of $n$ for which $a_n$ is the greatest is :

asked Sep 26, 2013 by meena.p

1 answer

If $f(x) =|x|+ | \sin x|$ for $x \in \bigg(-\large\frac{\pi}{2},\frac{\pi}{2}\bigg),$ then its left hand derivative at $x=0$ is

asked Sep 20, 2013 by meena.p

1 answer

10 men and 6 women are to be seated in a row so that no two women sit together. The number of ways they can be seated is :

asked Sep 13, 2013 by meena.p

1 answer

If $u= \large\frac{x+y}{x-y},$ then $\large\frac{\partial u}{\partial x}+\frac{\partial u}{\partial y}$ = .................. .

asked Sep 13, 2013 by meena.p

0 answers

$\tan x-\tan 3x-\tan 2x $ is equal to :

asked Sep 12, 2013 by meena.p

1 answer

Which one of the following series of lines is found in the UV region of atomic spectrum of hydrogen?

asked Sep 11, 2013 by meena.p

1 answer

A car tyre has air at 1.5 atm at 300 K. If $\mathit{P}\;$ increases to 1.75 atm with $\mathit{V}\;$ same. The temperature will be ............... .

asked Sep 11, 2013 by meena.p

0 answers

If the work done in stretching a wire by 1 mm is 2 J, the work necessary for stretching another wire of same material but with double radius of cross-section and the half the length by 1 mm (joule) is:

asked Sep 10, 2013 by meena.p

1 answer

Refer to the below equation :

asked Sep 4, 2013 by sreemathi.v

1 answer

Which of the following are correct order of nucleophilicity in meoH

asked Aug 23, 2013 by sreemathi.v

1 answer

In which of the following case increase in solvent polarity causes a large in rate of the reaction.

asked Aug 21, 2013 by sreemathi.v

1 answer

Determine the maximum value of $z=3x+4y$ if the feasible region (shaded) for a LPP is shown in fig:

asked Aug 20, 2013 by sreemathi.v

1 answer

In the gravitational field , at a point where the gravitational potential is zero

asked Aug 9, 2013 by meena.p

1 answer

The density of a newly discovered planet is twice that of earth . The acceleration due to gravity at the surface of the planet is equal to that at the surface of earth. If the radius of earth is R, radius of planet will be

asked Aug 9, 2013 by meena.p

1 answer

Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals: $(iv)\: f (x) = (x-1)^2+3, x \in [– 3, 1] $

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals: $(iii)\: f (x) =4x-\large\frac{x^2}{2}$$, x \in [– 2, \large\frac{9}{2}] $

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals: $ f (x) = \sin x+\cos x, x \in [0,\pi] $

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the value of x from the following : $\begin {vmatrix} x & 4 \\ 2 & 2x \end {vmatrix} = 0 $

asked Jul 19, 2013 by sreemathi.v

1 answer

Displacement of a body of mass 2 kg varies with time as $s=t^2+2t$.Where s in meters t in seconds. The work done by the force acting an body during the time t=2s to t=4s is

asked Jul 17, 2013 by meena.p

1 answer

Evaluate :$\int \large\frac{\sin 2x}{a^2\sin^2x+b^2\cos^2x}$$dx$

asked Jul 16, 2013 by sreemathi.v

1 answer

At what departure angle should a body be projected so that the maximum vertical height attained by a projectile is equal to the horizontal range ?

asked Jun 20, 2013 by meena.p

1 answer

Find the probability distribution of the number of successes in two tosses of a die, where a success is defined as six appears on at least one die

asked Jun 20, 2013 by balaji.thirumalai

1 answer

Find the probability distribution of the number of successes in two tosses of a die, where a success is defined as number greater than 4.

asked Jun 20, 2013 by balaji.thirumalai

1 answer

$E,m,J$ and $ G$ denote energy,mass angular momentum and gravitational constant respectively then the dimension of $\large\frac{EJ^2}{m^5G^2}$ are

asked Jun 16, 2013 by meena.p

1 answer

Find all the values of $\bigg(\large\frac{1}{2}$$-i\large\frac{\sqrt 3}{2}\bigg)^{\Large\frac{3}{4}}$ and hence prove that the product of the values is 1.

asked Jun 13, 2013 by sreemathi.v

1 answer

Answer the following as true or false. (iv) Two collinear vectors having same magnitude are equal.

asked May 16, 2013 by sreemathi.v

1 answer

Answer the following as true or false. (iii) Two vectors having same magnitude are collinear.

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.

asked May 16, 2013 by sreemathi.v

1 answer

The slope of the tangent to the curve $y=3x^{2}+3\sin x $ at $x=0 $ is

asked May 15, 2013 by poojasapani_1

1 answer

Find the vector and cartesian equations of the planes $(b) \quad \text{that passes through the point} \; (1, 4, 6) \; \text{and the normal to the plane is } \hat i-2\hat j + \hat k $

asked May 10, 2013 by rvidyagovindarajan_1

1 answer

If the rank of the matrix$\begin{bmatrix} \lambda & -1 & 0 \\0 & \lambda & -1 \\-1 & 0 & \lambda \end{bmatrix}$ is $2$, than $\lambda$ is

asked May 7, 2013 by poojasapani_1

1 answer