Recent questions tagged q8

Which of the following gives the quotient between 1300 and 1500 ?

asked Oct 19, 2017 by priyanka.c

1 answer

A circular ring of mass M and radius R is rotating about its axis with constant angular velocity $w$. Two particle each of mass $m$ are attached gently to the opposite ends of a diameter of the ting. The angular velocity of the ring will now become :

asked Oct 8, 2017 by priyanka.c

1 answer

Figure shows a circuit that contains three identical resistors with resistance R=9.0 O each, two identical inductors with inductance L=2.0 mH each, and an ideal battery with emf e: 18 V. The current 'i' through the battery just after the switch closed is,.....

asked Oct 7, 2017 by meena.p

1 answer

Write the following value in liters 25 gallons + 7.5 liters = 94.6 + 7.5

asked Oct 2, 2017 by priyanka.c

0 answers

Which of the following is complementary angle? (1) 70, 30 (2) 40, 30 (3) 90, 20 (4) 60, 70

asked Sep 25, 2017 by priyanka.c

0 answers

Five years ago, John's age was half of the age he will be in 8 years. How old is he now?

asked Sep 20, 2017 by priyanka.c

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A flight ticket is 15 cm long and 19 cm wide. What is its perimeter?

asked Sep 18, 2017 by priyanka.c

0 answers

How many vertices does the following shape have

asked Sep 7, 2017 by priyanka.c

1 answer

Correct the order of dates, $(a) 3/03/2011 \; \; (b)\; 4/02/2008 \; \; (c)\; 5/05/2013 \; \; (d)\; 9/07/2012 $

asked Sep 1, 2017 by priyanka.c

0 answers

Find out the value of expression and write in roman numeral 15 + 23 + 7 + 18 =

asked Aug 14, 2017 by priyanka.c

0 answers

What figure will come next?

asked Aug 12, 2017 by priyanka.c

1 answer

Mahe shade the box below. Find out the fraction of the shaded region.

asked Aug 7, 2017 by priyanka.c

0 answers

A horizontal overhead power line carries a current of $90A$ in east to west direction . What is the direction of the magnetic field due to current $1.5 m$ below the line .

asked Jul 22, 2015 by meena.p

1 answer

The earth's core is known to contain iron. yet geologists do not regard this as a source of the earth mergnetisum . Why ?

asked Jul 9, 2015 by meena.p

1 answer

The colour coded resistor is as shown in the figure . Compute in mega ohm

asked Jul 6, 2015 by meena.p

1 answer

The electron drift speed is estimated to be only a few $mms^{-1} $ for currents in the range of a few amperes. How then is current established almost instant a circuit is closed.

asked Jun 29, 2015 by meena.p

1 answer

An electric dipole of dipole moment $20 \times 10^{-6}$ is enclosed by closed surface. what is the net flex coming out of this surface ?

asked Apr 21, 2015 by meena.p

1 answer

Find the equation of the circle having $(1,-2)$ as its centre and passing through $3x+y=14,2x+5y=18$.

asked Oct 8, 2014 by sreemathi.v

1 answer

Find the molality of a solution containing a non-volatile solute if the vapour pressure is 2% below the vapour pressure of pure water.

asked Aug 6, 2014 by sreemathi.v

1 answer

Solve the inequalities and represent the solution graphically on number line. $ 2(x-1) < x+5 ; 3(x+2) > 2-x $

asked Aug 4, 2014 by meena.p

1 answer

By X-ray diffraction it is found that nickel crystals are face-centred cubic.The edge of the unit cell is $3.52A^{\large\circ}$.The atomic mass of nickel is $58.7$ and its density is $8.94g/cm^3$.Calculate Avogadro's number from the data.

asked Aug 1, 2014 by sreemathi.v

1 answer

Solve the system of inequalities : $x+y \leq 9; y > x;x \geq 0$

asked Jul 31, 2014 by meena.p

1 answer

Solve the inequalities graphically in two - dimensional plane . $3y-5x < 30$

asked Jul 30, 2014 by meena.p

1 answer

Solve the inequality for real $x, 3(2-x) \geq 2(1-x) $

asked Jul 25, 2014 by meena.p

1 answer

An equilateral triangle is inscribed in the parabola $ y^2 = 4 ax$, where one vertex is at the vertex of the parabola. Find the length of the side of the triangle

asked Jul 24, 2014 by thanvigandhi_1

1 answer

Find the equations of the hyperbola satisfying the given conditions : Vertices $(0, \pm 5),$ foci $(0, \pm 8)$

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 : $ 16x^2 +y^2= 16$

asked Jul 16, 2014 by thanvigandhi_1

1 answer

Find the equation of the parabola that satisfies the given conditions : Focus (0,–3); directrix y = 3

asked Jul 14, 2014 by thanvigandhi_1

1 answer

$x^2+y^2–8x+10y–12=0$, find the centre and radius of the circles.

asked Jul 13, 2014 by thanvigandhi_1

1 answer

Two sets each of $20$ observations , have the same standard deviation $5$. The first set has a mean $17$ and the second a mean $22$. Determine the standard deviation of the set obtained by combining the given two sets.

asked Jul 3, 2014 by meena.p

1 answer

From the employees of a company ,5 persons are selected to represent them in managing committee of the company.Particulars of five persons are as follows :

asked Jul 3, 2014 by sreemathi.v

1 answer

Find the equation of the line passing through the point of intersection of 2x + y = 5 and x + 3y + 8 = 0 and parallel to the line 3x + 4y = 7.

asked Jul 1, 2014 by thanvigandhi_1

1 answer

Find mean and variance for the following frequency distribution :

asked Jun 27, 2014 by meena.p

1 answer

Find the mean deviation about the mean for data : $x_i :15,21,27,30,35 \qquad f_i : 3,5,6,7,8$

asked Jun 26, 2014 by meena.p

1 answer

If A and B are coefficients of $x^r$ and $x^{n-r}$ respectively in the expansion of $(1+x)^n$ then

asked Jun 25, 2014 by sreemathi.v

1 answer

Find the sixth term of the expansion $(y^{\Large\frac{1}{2}}+x^{\Large\frac{1}{3}})^n$.If the binomial coefficient of the third term from the end is 45.

asked Jun 24, 2014 by sreemathi.v

1 answer

Find $x$ if the ratio of the fifth term from the beginning to the fifth term from the end in the expansion of $(4\sqrt 2+\large\frac{1}{4\sqrt 3})^n$ is $\sqrt 6 :1$

asked Jun 24, 2014 by sreemathi.v

1 answer

Find the middle term in the expansion of $\big(\large\frac{3}{3}$$+9y\big)^{10}$

asked Jun 23, 2014 by sreemathi.v

1 answer

Expand the expression:$(101)^4$

asked Jun 23, 2014 by sreemathi.v

1 answer

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