Recent questions tagged q9

Which of the following is the multiple of all the number

asked Oct 19, 2017 by priyanka.c

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If $x = 3 - 4t^2 + t^3$, then work done in first $4s$ will be (Mass of the particle is 3 gram) :

asked Oct 8, 2017 by priyanka.c

1 answer

The x and y coordinates of the particle at any time are $x= 5t - 2t^2$ and $y = 10t$ respectivelv, where r and y are in meters and t in seconds. The acceleration of the particle at $t = 2s$ is

asked Oct 7, 2017 by meena.p

1 answer

A baker baked a cake. There are 16 piece cakes from one full cake. She ate $\frac{1}{4}^{th}$ of the one full. She baked 2 more cakes. How many piece cakes does she have now?

asked Oct 2, 2017 by priyanka.c

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Find the least number that should be subtracted from 8656700 so that the result is exactly divisible by 634

asked Sep 25, 2017 by priyanka.c

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Find the value of following angle and name the angle

asked Sep 20, 2017 by priyanka.c

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The product of two numbers is 65 and the difference of those two numbers is 8 what are the two numbers

asked Sep 18, 2017 by priyanka.c

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Complete the following series $9, 10, 13, 16, 20, ...., 31$

asked Sep 1, 2017 by priyanka.c

0 answers

A teddy bear cost Rs 386.50 paise. There were 50 Teddy bears in the showroom. Sanjay bought 2 teddy bear, Giri bought 4 teddy bear and Chikku bought 3 teddy bears. What is the cost of remaining teddy bear in the shop.

asked Aug 31, 2017 by priyanka.c

0 answers

Convert the following measurement 14 C = ____ pt

asked Aug 14, 2017 by priyanka.c

0 answers

Figure out the missing number

asked Aug 12, 2017 by priyanka.c

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Find out the product of the number $7 \times 350$.

asked Aug 4, 2017 by priyanka.c

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What is the magnitude of magnetic force per unit length on a wire carrying a current $8\;A$ and making an angle of $30^{\circ}$ with the direction of a uniform magnetic field of $0.15\;T$?

asked Jul 23, 2015 by meena.p

1 answer

The charged currents in the outer conducting regions of the earth core are thought to be responsible for earth's magnetism. What might be the battery (ie the cource of energy ) to sustain these currents ?

asked Jul 9, 2015 by meena.p

1 answer

The electron drift arises due to the force experience by electrons in the electric field inside the conductor . But force should cause acceleration . When then do the electrons acquire a steady average drift speed ?

asked Jun 29, 2015 by meena.p

1 answer

What is the angle between the direction of electric field at any (i) axial point and (ii) equatorial point. due to an electric dipole ?

asked Apr 21, 2015 by meena.p

1 answer

If the line $y=\sqrt 3x+k$ touches the circle $x^2+y^2=16$,then find the value of $k$.

asked Oct 8, 2014 by sreemathi.v

1 answer

A very small amount of a non-volatile solute (that does not dissociate) is dissolved in $56.8cm^3$ of benzene (density $=0.889gcm^{-3}$).At room temperature vapour pressure of this solution is 98.88mm Hg while that of benzene is 100 mm Hg.Find the molality of this solution.If the freezing temperature of this solution is 0.73 degree lower than that of benzene .What is the value of $K_f$ for benzene?

asked Aug 6, 2014 by sreemathi.v

1 answer

Solve the inequalities and represent the solution graphically on number line. $ 3x-7 > 2(x-6) ; 6-x > 11-2x $

asked Aug 5, 2014 by meena.p

1 answer

The length of the unit cell edge of a body-centred cubic metal crystal is 352pm.Calculate the radius of an atom of the metal.

asked Aug 1, 2014 by sreemathi.v

1 answer

Solve the following system of inequalities graphically : $5x+4y \leq 20; x \geq 1; y \geq 2$

asked Jul 31, 2014 by meena.p

1 answer

Solve the given inequality graphically in two - dimensional plane . $ y < -2$

asked Jul 30, 2014 by meena.p

1 answer

Solve the given inequality for real $x. x +\large\frac{x}{2} +\frac{x}{3} $$ <11$

asked Jul 25, 2014 by meena.p

1 answer

Find the equations of the hyperbola satisfying the given conditions : Vertices $(0, \pm 3),$ foci $(0, \pm 5)$

asked Jul 21, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the foci, the vertices, the length of major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse : $ 4x^2+9y^2=36$

asked Jul 16, 2014 by thanvigandhi_1

1 answer

Find the equation of the parabola that satisfies the given conditions : Vertex (0,0); focus (3,0)

asked Jul 14, 2014 by thanvigandhi_1

1 answer

A p type semiconductor has acceptor level of 57 mev above the valance band. Find the maximum wave length of light which can create a hole.

asked Jul 13, 2014 by balaji.thirumalai

1 answer

$2x^2 + 2y^2 – x = 0$, find the centre and the radius of the circles.

asked Jul 13, 2014 by thanvigandhi_1

1 answer

The frequency distribution given below : Where A is a positive integer , has a variance of 160. Determine the value of A.

asked Jul 3, 2014 by meena.p

1 answer

For what values of a and b the intercepts cut off on the coordinate axes by the line ax + by + 8 = 0 are equal in length but opposite in signs to those cut off by the line 2x – 3y + 6 = 0 on the axes.

asked Jul 1, 2014 by thanvigandhi_1

1 answer

If $\large\frac{2}{11}$ is the probability of an event,what is the probability of the event 'not A'

asked Jul 1, 2014 by sreemathi.v

1 answer

Find mean and variance and standard deviation using short cut method.

asked Jun 30, 2014 by meena.p

1 answer

A box contains 1 red and 3 identical white balls.Two balls are drawn at random in succession without replacement.Write the sample space for this experiment.

asked Jun 26, 2014 by sreemathi.v

1 answer

Find the mean deviation about the mean for data :

asked Jun 26, 2014 by meena.p

1 answer

The coefficient of the third term in the expansion of $(x^2-\large\frac{1}{4})^n$,when expanded in descending powers of $x$ is $31$.Then n is equal to

asked Jun 25, 2014 by sreemathi.v

1 answer

Find the value of r if the coefficient of $(2r+4)^{th}$ and $(r-2)^{th}$ terms in the expansion of $(1+x)^{18}$ are equal.

asked Jun 24, 2014 by sreemathi.v

1 answer

Expand using Binomial theorem $(1+\large\frac{x}{2}-\frac{2}{x})^4$$\;\;x\neq 0$

asked Jun 24, 2014 by sreemathi.v

1 answer

In the expansion of $(1+a)^{m+n}$,prove that coefficient of $a^m$ and $a^n$ are equal.

asked Jun 23, 2014 by sreemathi.v

1 answer

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