Recent questions tagged q6

5700 plus how many hundreds equal 10000

asked Oct 19, 2017 by priyanka.c

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Two pendulum suspended from same point having length 2m and 0.5m. If they displaced slightly and released then they will be in same phase, when small pendulum will have completed?

asked Oct 8, 2017 by priyanka.c

1 answer

The de - Brogile wave length of a neutron in thermal equilibrium with heavy water at a temperature T and mass m , is

asked Oct 7, 2017 by meena.p

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Write the missing place value from the 6 digit number <br> 8 + 60 + _______ + 2000 + 20000 + 100000 = 1221668

asked Oct 2, 2017 by priyanka.c

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A train runs for 4 hours at a speed of 75 km per hour and the next 3 hours at a speed of 55 per hour. Find the average speed of the train for the 7 hours journey.

asked Sep 25, 2017 by priyanka.c

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If 3 + 3= 27, 2 + 3 = 6 what is 2 + 2

asked Sep 20, 2017 by priyanka.c

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A doll in a shop costed Rs. 736.50 paise. Shyam paid the shopkeeper Rs 1000. How much change did shyam get from the shopkeeper ?

asked Sep 18, 2017 by priyanka.c

1 answer

Write the following roman numeral in ascending order $(V + VI), (XII + III), (IX + V), (II + IV), (VIII + IX), (VI + IV)$

asked Sep 1, 2017 by priyanka.c

0 answers

There are 50 desks in a class. In each desk one girl and 2 boys are made to sit. Two out of 50 desks has only boys and 3 out of 50 desk has only 3 girls each. Find out the number of boys and girls respectively.

asked Aug 31, 2017 by priyanka.c

0 answers

How is the following image transformed

asked Aug 16, 2017 by priyanka.c

0 answers

Which number sentence matches the pattern below

asked Aug 7, 2017 by priyanka.c

0 answers

Complete the series 3, 4, 7, 11, 18......?

asked Aug 4, 2017 by priyanka.c

0 answers

A tank is filled with water to a height of 12.5 cm . What will be apparent depth if the refractive index to the mirror , how would the screen have to be moved ?

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 .What is the direction of B at a point $2.5\;m$ east of the wire ?

asked Jul 22, 2015 by meena.p

1 answer

Geologist claim that besides the main magnetic N-S poles, there are several local poles on the earth's surface oriented in different direction . How is such a thing possible at all ?

asked Jul 9, 2015 by meena.p

1 answer

Given the resistance of $1 \Omega, 2 \Omega,3 \Omega$ how will you combine thus to get , an equivalent resistance of $(i) \large\frac{11}{3}$$\Omega \qquad (ii) \large\frac{6}{11}$$\Omega \qquad (iii) \large\frac{11}{5}$$\Omega \qquad (iv) 6 \Omega? $

asked Jun 29, 2015 by meena.p

1 answer

A point charge Q is placed at point O as shown in the fig. Is the potential difference $V_A - V_B $ positive ? negative or zero, if Q is (i) Positive (ii) negative

asked Apr 21, 2015 by meena.p

1 answer

Find the equation of a circle which touches both the axes and the line $3x-4y+8=0$ and lies in the third quadrant.

asked Oct 8, 2014 by sreemathi.v

1 answer

The Henry's law constant for oxygen dissolved in water is $4.34\times 10^4$ atm at $25^{\large\circ}$C.If the partial pressure of oxygen in air is 0.2atm,under atmospheric conditions,calculate the concentration (in moles per litre) of dissolve oxygen in water in equilibrium with air at $25^{\large\circ}$C.

asked Aug 6, 2014 by sreemathi.v

1 answer

Solve the inequality $7 \;\leq \large\frac{3x+11}{2} $$ \leq 2$

asked Aug 4, 2014 by meena.p

1 answer

Solve the inequality $7 \leq \large\frac{(3x+11)}{2} \leq 11$

asked Aug 1, 2014 by meena.p

1 answer

A metal of density $7.5\times 10^3kgm^{-3}$ has an fcc crystal structure with lattice parameter $a=400$pm.Calculate the number of unit cells present in 0.015kg of the metal

asked Aug 1, 2014 by sreemathi.v

1 answer

Solve the system of inequalities graphically $x +y \leq 5;x+y \geq 4$

asked Jul 31, 2014 by meena.p

1 answer

Solve the given inequality graphically in two dimensional plane . $2x -3y > 6$

asked Jul 30, 2014 by meena.p

1 answer

Solve the inequality for real $x: 3x-7 > 4x -5$

asked Jul 25, 2014 by meena.p

1 answer

Find the area of the triangle formed by the lines joining the vertex of the parabola $ x^2 = 12y $ to the ends of its latus rectum.

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 : $49y^2 – 16x^2 = 784$

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}{100}$$+ \large\frac{y^2}{400}$$=1$

asked Jul 16, 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 : $ x^2=-9y$

asked Jul 14, 2014 by thanvigandhi_1

1 answer

$(x+5)^2+(y-3)^2=36$ find the centre and radius of the circles.

asked Jul 11, 2014 by thanvigandhi_1

1 answer

In a large metropolitan area ,the probabilities are 0.87,0.36,0.30 that a family (randomly chosen for a sample survey) owns a colour television set,a black and white television set,or both kinds of sets.What is the probability that a family owns either anyone or both kinds of sets?

asked Jul 7, 2014 by sreemathi.v

1 answer

Three letters are dictated to three persons and an envelope is addressed to each of them,the letters are inserted into the envelopes at random so that each envelope contains exactly one letter.Find the probability that at least one letter is in its proper envelope.

asked Jul 2, 2014 by sreemathi.v

1 answer

The mean and standard deviation of marks obtained by 50 students of a class in three subjects , mathematics, physics and chemistry are given below:Which of these three subjects shows the highest variability in marks and shows the lowest?

asked Jul 2, 2014 by meena.p

1 answer

Show that the tangent of an angle between the lines $ \large\frac{x}{a}$$+\large\frac{y}{b}$$=1$ and $ \large\frac{x}{a}$$-\large\frac{y}{b}$$=1$ is $ \large\frac{2ab}{a^2-b^2}$

asked Jun 30, 2014 by thanvigandhi_1

1 answer

There are four men and six women on the city council.If one council member is selected for a committee at random,how likely is it that it is a woman ?

asked Jun 30, 2014 by sreemathi.v

1 answer

Find mean and standard deviation using short - cut method.

asked Jun 27, 2014 by meena.p

1 answer

2 boys and 2 girls are in room x,and 1 boy and 3 girls in room y.Specify the sample space for the experiment in which a room is selected and then a person.

asked Jun 26, 2014 by sreemathi.v

1 answer

Find the mean deviation about the mean for data : $x_i :10,30,50,70,90 \qquad f_i : 4,24,28,16,8$

asked Jun 25, 2014 by meena.p

1 answer

The power of x occuring in the $7^{th}$ term in the expansion of $\big(\large\frac{4x}{5}-\frac{8}{5x}\big)^9$ is

asked Jun 25, 2014 by sreemathi.v

1 answer

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