Recent questions tagged q15

Write the following number in expanded form 83763.346

asked Oct 21, 2017 by priyanka.c

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A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration.- Then its time period in seconds is

asked Oct 10, 2017 by meena.p

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The speed of a boat is 5 km/hr is still water. It crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of river water is :

asked Oct 9, 2017 by priyanka.c

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A cubicle of wood was cut into 8 equal cubes of sides 7 cm. What is the volume of the block of wood?

asked Oct 2, 2017 by priyanka.c

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Tara, Chitra and Mahesh collected 14 stamps. Mahesh collected 2 more stamps than Tara and Chita collected 3 more stamps than Tara. How many stamps did each collect?

asked Sep 25, 2017 by priyanka.c

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Find the value of following expression. Write arabic numbers <br> (XLVIII - XIX) + (III × XIV) - (XV ÷ III) = <br> XXIX + (XLII ) - (V )

asked Sep 21, 2017 by priyanka.c

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John ran 1 block in 30 seconds and for second block he took 50 seconds. He ran 10 blocks in total. How much time he took to run all 10 blocks in total if he ran with the same pattern?

asked Sep 18, 2017 by priyanka.c

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........HUNDRED + ...... TENS + ..... ONES = 465

asked Sep 1, 2017 by priyanka.c

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What is the better estimate of a toaster?

asked Aug 31, 2017 by priyanka.c

0 answers

Evaluate 42568 - 42568 + 42568

asked Aug 14, 2017 by priyanka.c

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How many 1's are used in of all the page numbers of a book from $1 - 111$?

asked Aug 4, 2017 by priyanka.c

0 answers

Sum of three number is 174. First number is 38 and third number is 64. What is the second number?

asked Aug 4, 2017 by priyanka.c

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Two long and parallel straight wires A and B carrying currents of $8.0\;A$ and $5.0 \;A$ same direction are separated by a distance of $4.0\;cm$ . What is the direction and nature of the force on a 10 cm section of wire A?

asked Jul 23, 2015 by meena.p

1 answer

A short bar magnet of magnetic moment $m= 0.32 \;J/T$. is placed in a uniform magnetic field of $0.15 \;T$. If the bar is free to rotate in the plane of the field, Which orientation would correspond to its unstable equilibrium ? What is the potential energy of the magnet?

asked Jul 10, 2015 by meena.p

1 answer

Alloys usually have lower/higher temperature is nearly independent of / increases rapidy with increase of temperature

asked Jun 29, 2015 by meena.p

1 answer

Two protons are brought nearer, What will be the effect on potential energy system ?

asked Apr 21, 2015 by meena.p

1 answer

Find the distance between the directrices of the ellipse $\large\frac{x^2}{36}+\frac{y^2}{20}$$=1$.

asked Oct 9, 2014 by sreemathi.v

1 answer

Molarity of $H_2SO_4$ is 18M.If density is $1.8gcm^{-3}$,calculate its concentration in $mol kg^{-1}$ solvent $(H_2O)$ (ie) Molality.

asked Aug 7, 2014 by sreemathi.v

1 answer

Solve the system of inequalities graphically $x+2y \leq 10 ; x+y \geq 1 ; x -y \leq 0 ; x \leq 0 , y\leq 0 $

asked Aug 1, 2014 by meena.p

1 answer

Prove that the void space percentage in zinc blende structure is 25%

asked Aug 1, 2014 by sreemathi.v

1 answer

Solve the inequality for real $x: \large\frac{x}{4} < \frac{(5x-2)}{3} - \frac{(7x-3)}{5}$

asked Jul 26, 2014 by meena.p

1 answer

Find the equations of the hyperbola satisfying the given conditions : Foci $(0, \pm \sqrt{ 10} )$ , passing through $(2,3 )$

asked Jul 21, 2014 by thanvigandhi_1

1 answer

Find the equation for the ellipse that satisfies the given conditions : Length of major axis $26,$ foci $(\pm 5, 0)$

asked Jul 18, 2014 by thanvigandhi_1

1 answer

Does the point (–2.5, 3.5) lie inside, outside or on the circle $x^2 + y^2 = 25$ ?

asked Jul 13, 2014 by thanvigandhi_1

1 answer

A card is drawn from a deck of 52 cards.Find the probability of getting a king or a heart or a red card.

asked Jul 8, 2014 by sreemathi.v

1 answer

Find the mean and variance of the frequency distribution given below:

asked Jul 4, 2014 by meena.p

1 answer

In what direction should a line be drawn through the point (1, 2) so that its point of intersection with the line x + y = 4 is at a distance $ \large\frac{\sqrt 6}{3}$ from the given point

asked Jul 1, 2014 by thanvigandhi_1

1 answer

A coin is tossed .If it shows a tail,we draw a ball from a box which contains 2 red and 3 black balls.If it shows head,we throw a die.Find the sample space for this experiment.

asked Jun 27, 2014 by sreemathi.v

1 answer

The coefficient of $x^2$ in the expansion of $(1+4x+x^2)^{\Large\frac{1}{2}}$ is

asked Jun 26, 2014 by sreemathi.v

1 answer

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