Recent questions tagged q59

The anterior choroid plexus forms the roof of :

asked Nov 26, 2013 by thanvigandhi_1

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If $\overrightarrow a.\overrightarrow b=\overrightarrow a.\overrightarrow c$ and $\overrightarrow a\times\overrightarrow b=\overrightarrow a\times\overrightarrow c$ and if $\overrightarrow a\neq 0$, then

asked Nov 21, 2013 by rvidyagovindarajan_1

1 answer

The value of $x$ where $d>0$ and $\tan[\sec^{-1}\big(\large\frac{1}{x}\big)]=$$\sin(\tan^{-1}2)$ is

asked Nov 18, 2013 by sreemathi.v

1 answer

Select the animal from the examples given below which exhibits neoteny in its larval stage :

asked Nov 13, 2013 by thanvigandhi_1

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Which of the following equations gives a circle?

asked Nov 12, 2013 by meena.p

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The polar equation of the circle with center $\bigg( 2, \large\frac{\pi}{2}\bigg)$ and radius 3 units is :

asked Nov 6, 2013 by meena.p

1 answer

Conjugation in ciliate protozoans is essential for :

asked Oct 30, 2013 by thanvigandhi_1

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$6.02\times 10^{20}$ molecules of urea are present in 100ml solution.The concentration of urea solution is

asked Oct 28, 2013 by sreemathi.v

1 answer

The area (in square unit) of the triangle formed by the points with polar coordinates $(1,0), \bigg(2,\large\frac{ \pi}{3}\bigg)$ and $\bigg(3,\large\frac{2 \pi}{3}\bigg)$ is

asked Oct 26, 2013 by meena.p

1 answer

The radius of the circle with the polar equation $r^2-8r (\sqrt 3 \cos \theta+\sin \theta)+15 -0$ is

asked Oct 17, 2013 by meena.p

1 answer

The 'P' wave in an ECG indicates

asked Oct 17, 2013 by thanvigandhi_1

1 answer

The perimeter of the triangle with vertices at $(1,0,0),(0,1,0)$ and $(0,0,1)$ is :

asked Oct 10, 2013 by meena.p

1 answer

Find the value of $\tan 22\large\frac{1}{2}^{\large\circ}$

asked Oct 9, 2013 by sreemathi.v

1 answer

In Eukaryotes, which of the following genes synthetize heterogenous nuclear RNA (hn RNA)?

asked Oct 6, 2013 by thanvigandhi_1

1 answer

The point dividing the join of $(3,-2,1)$ and $(-2,3,11)$ in the ratio $2:3$ is:

asked Sep 27, 2013 by meena.p

1 answer

The probability that an individual suffers a bad reaction from an injection is 0.001. The probability that out of 2000 individuals exactly three will suffer bad reaction is

asked Sep 23, 2013 by meena.p

1 answer

$D(2,1,0),E(2,0,0),F(0,1,0)$ are mid-points of the sides $BC,CA,AB$ of $\Delta ABC$ respectively. Then, the centroid of $\Delta ABC$ is

asked Sep 16, 2013 by meena.p

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A stone is dropped freely into a tunnel along the diameter of the earth. When it reaches the center of earth then it has only

asked Aug 23, 2013 by meena.p

1 answer

A 1.5 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive x-axis direction is applied to the block . The force $\hat F$ is given by $\hat F=(4-x^2)\hat i \;N$ . Initial position of the block is $x=0$. The maximum kinetic energy of block between $x=0$ to $x=2.0$ is

asked Aug 6, 2013 by meena.p

1 answer

Suppose that a shoelace passes without friction through 5 holes on each side of your shoe. If the tension in that shoe lace is 10 N, how much total force is the shoelace exerting on the right side of your shoe?

asked Jul 11, 2013 by meena.p

1 answer

The curve $ay^{2}=x^{2}(3a-x)$ cuts the $y$-axis at

asked May 21, 2013 by poojasapani_1

1 answer

The modulus of the complex number $2+i\sqrt{3}$ is

asked May 11, 2013 by poojasapani_1

1 answer

Evaluate:\[\int \sqrt{\frac{x}{a^3-x^3}}dx\]

asked Feb 3, 2013 by meena.p

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An edge of a variable cube is increasing at the rate of 5 cm/sec. How fast is the volume of the cube is increasing when edge is 10cm long?

asked Jan 29, 2013 by meena.p

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The differential equation of the family of curves $x^2+y^2-2ay=0$,where a is arbitrary constant,is\[(A)\;(x^2-y^2)\frac{dy}{dx}=2xy \quad (B)\;2(x^2+y^2)\frac{dy}{dx}=xy \quad (C)\;2(x^2-y^2)\frac{dy}{dx}=xy \quad (D)\;2(x^2+y^2)\frac{dy}{dx}=2xy\]

asked Jan 19, 2013 by sreemathi.v

1 answer

$\int\limits_0^{\Large\frac{\pi}{2}}\cos x\;e^{\sin x} dx$ is equal to ____________.

asked Jan 15, 2013 by sreemathi.v

1 answer

The maximum value of $\Large\frac{1}{x}$ is:

asked Jan 12, 2013 by sreemathi.v

1 answer

If $P(A)=\Large\frac{2}{5},\normalsize P(B)=\Large\frac{3}{10}$ and $P(A\cap B)=\Large\frac{1}{5},$then P(A|B).P(B'|A') is equal to

asked Jan 10, 2013 by sreemathi.v

1 answer

If $x=e^{\Large \frac{x}{y}},prove\; that \; \large {\frac{dy}{dx}=\frac{x-y}{xlog x}}$

asked Jan 2, 2013 by sreemathi.v

1 answer

If Matrix $A=[a_{ij}]_{2\times 3},$ where$a_{ij} \begin{array}{ 1 1}=1\;if\;i\neq j\\=0\;if\;i=j\end{array}$ then $\;A^2\;$ is equal to:

asked Dec 23, 2012 by sreemathi.v

1 answer

True or False: The composition of functions is commutative.

asked Dec 20, 2012 by sreemathi.v

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