Recent questions tagged q5

In roman numeral system how many basic numeral are there?

asked Oct 19, 2017 by priyanka.c

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For a wave $y = y_0 \sin (wt - kx)$, for what value of $\lambda$ is the maximum particle velocity equal to two times the wave velocity :

asked Oct 8, 2017 by priyanka.c

1 answer

A 250 N turn rectangular coil of length $2.1\;cm$ and width $1.25\;cm$ carries a current of $85 \mu A$ and subjected to magnetic field of strength $0.85\;T$ Work done for rotating the coil by $180^{\circ}$ against the torque is :

asked Oct 7, 2017 by meena.p

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

asked Oct 2, 2017 by priyanka.c

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Convert 75 degree Celsius to Fahrenheit

asked Sep 25, 2017 by priyanka.c

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Find the speed and average speed of a train which leaves Madras at 1 p.m and reaches bangalore in the same day at 8 p.m. The distance between the two stations is 360km and the total time for stoppage is 2 hours between these stations.

asked Sep 20, 2017 by priyanka.c

0 answers

Swamy puts 18 chocolates in bag 1, 36 chocolates in bag 2, 72 chocolates in bag 4. How many chocolates did he pit in bag?

asked Sep 18, 2017 by priyanka.c

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asked Sep 4, 2017 by priyanka.c

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A school is choosing a uniform for their sports program for their girls. They can pick green, blue, or red jumpers, and they can pick brown or black skirts. Assuming all the colours go together, how many different combinations can the school pick?

asked Aug 31, 2017 by priyanka.c

0 answers

There are 1000 passengers in a train 200 passengers get down at one station and 50 people board at the same station. In the next station 100 passengers get down and no passengers board the train. How many passengers are there in total?

asked Aug 14, 2017 by priyanka.c

0 answers

Sara stands in the ground and sees that her shadow falls towards east. What is the position of Sun.

asked Aug 4, 2017 by priyanka.c

0 answers

Deepa bought 7 mangoes, 4 apples, 8 bananas and 5 oranges. She gave 3 Oranges and 2 mangoes to Ajay and 2 Apples and 3 bananas to Rahul. What is the total number of fruits remaining with Deepa?

asked Aug 4, 2017 by priyanka.c

0 answers

A tank is filled with water to a height of 12.5 cm . The apparent depth of a needle lying at the bottom of the tank is measured by a microscope to be $9.4\;cm$ . What is the refractive index of water ?

asked Feb 10, 2016 by meena.p

1 answer

A long straight wire in the horizontal plane carries a current of $50\;A$ in north to south direction . give the magnitude of B at a point $2.5\;m$ east of the wire

asked Jul 22, 2015 by meena.p

1 answer

In which direction would a compass free to move in the vertical plane point to, if located right on the geomagnetic north or south pole ?

asked Jul 9, 2015 by meena.p

1 answer

Given n resistors each of resistance R, how will you combine them to get, (i) maximum effective resistance (ii) minimum effective resistance ? What is the ratio of the maximum to minimum resistance

asked Jun 29, 2015 by meena.p

1 answer

Write the SI unit for electric dipole moment

asked Apr 21, 2015 by meena.p

1 answer

The solubility of oxygen in water is $2.43\times 10^{-3}$ mole/litre at $25^{\large\circ}$C and 1.0atm pressure.Calculate the concentration of oxygen at $25^{\large\circ}$C and 0.2atm pressure.

asked Aug 6, 2014 by sreemathi.v

1 answer

Solve the inequality $-12 <4 <- \large\frac{3x}{-5} \leq 2$

asked Aug 1, 2014 by meena.p

1 answer

Solve the following system of equation graphically. $2x-y >1;x -2y <-1$

asked Jul 31, 2014 by meena.p

1 answer

Solve the given inequality graphically in two dimensional plane. $x-y \leq 2$

asked Jul 30, 2014 by meena.p

1 answer

Solve the given inequality for real $x: 4x+3 < 5x +7$

asked Jul 25, 2014 by meena.p

1 answer

Which of the following facts is not correct ?

asked Jul 24, 2014 by thanvigandhi_1

1 answer

A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation of the locus of a point P on the rod, which is 3 cm from the end in contact with the x-axis.

asked Jul 23, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $5y^2-9x^2=36$

asked Jul 19, 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 : $ \large\frac{x^2}{49}$$+\large\frac{y^2}{36}$$=1$

asked Jul 15, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the focus, axis of the parabola, the equation of the directrix and the length of the latus rectum for the following : $ y^2=10x$

asked Jul 14, 2014 by thanvigandhi_1

1 answer

Find the equation of the circle with centre (–a, –b) and radius $ \sqrt{a^2-b^2}$

asked Jul 11, 2014 by thanvigandhi_1

1 answer

A die is loaded in such a way that each odd number is twice as likely to occur as each even number.Find P(G),where G is the event that a number greater than 3 occurs on a single roll of the die.

asked Jul 7, 2014 by sreemathi.v

1 answer

The sum and sum of squares corresponding to length x (in cm) and weight (y) in gm of 50 plant products are given below: $ \sum \limits _{i=1} ^{50} x_i=212, \qquad\sum \limits_{i=1}^{50}x_i^2 =902.8;\qquad \sum \limits _{i=1} ^{50} y_i=261, \qquad\sum \limits_{i=1}^{50}y_i^2 =1457.6$ Which is more varying , the length or weight?

asked Jul 1, 2014 by meena.p

1 answer

Find the points on the line x + y = 4 which lie at a unit distance from the line 4x + 3y = 10

asked Jun 30, 2014 by thanvigandhi_1

1 answer

Find mean and variance of the data:

asked Jun 27, 2014 by meena.p

1 answer

Describe the sample space for the indicated experiment :A coin is tossed and then a die is rolled only in case a head is shown on the coin.

asked Jun 26, 2014 by sreemathi.v

1 answer

Find the mean deviation about the mean for data : $x_i :5,10,15,20,25 \qquad f_i : 7,4,6,3,5$

asked Jun 25, 2014 by meena.p

1 answer

The value of $13C_2+13C_3+13C_4+....13C_{13}$ is

asked Jun 25, 2014 by sreemathi.v

1 answer

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