Recent questions tagged sec-b

In how many of the distinct permutations of the letters in MISSISSIPPI do the four $'I'$s not come together?

asked May 13, 2014 by sreemathi.v

1 answer

Find the equation of the right bisector of the line segment joining the points (3,4) and (-1,2)

asked May 13, 2014 by thanvigandhi_1

1 answer

How many words,with or without meaning can be made from the letters of the word MONDAY,assuming that no letter is repeated if, $4$ letters are used at a time ?

asked May 13, 2014 by sreemathi.v

1 answer

Find $r$ if $5P_r=6P_{r-1}$

asked May 13, 2014 by sreemathi.v

1 answer

Find $r$ if $5P_r=2^6P_{r-1}$

asked May 13, 2014 by sreemathi.v

1 answer

How many 3-digit even numbers can be made using the digits 1,2,3,4,6,7 if no digit is repeated.

asked May 13, 2014 by sreemathi.v

1 answer

How many n-digit numbers are there with no digit repeated?

asked May 13, 2014 by sreemathi.v

1 answer

If $\large\frac{1}{6!}+\frac{1}{7!}=\frac{x}{8!}$ find $x$

asked May 13, 2014 by sreemathi.v

1 answer

Is $3!+4!=7!$

asked May 13, 2014 by sreemathi.v

1 answer

A coin is tossed 3 times and the outcomes are recorded.How many possible outcomes are there?

asked May 13, 2014 by sreemathi.v

1 answer

How many 4-letter code words are possible using the first 10 letters of the english alphabet,if no letter can be repeated?

asked May 13, 2014 by sreemathi.v

1 answer

How many 3-digit even numbers can be formed from the digits 1,2,3,4,5,6 if the digits can be repeated?

asked May 13, 2014 by sreemathi.v

1 answer

Three vertices of a parallelogram $ABCD$ are $A(3,-1,2),\:B(1,2,-4)\:and\:C(-1,1,2)$ Find the coordinates of the $4^{th}$ vertex $D$.

asked May 11, 2014 by rvidyagovindarajan_1

1 answer

The line through the points $(h,3)$ and $(4,1)$ intersects the line $7x-9y-19=0$ at right angle. Find the value of $h$.

asked May 10, 2014 by thanvigandhi_1

1 answer

Find angles between the lines $ \sqrt 3x+y=1$ and $x+\sqrt 3y=1$.

asked May 10, 2014 by thanvigandhi_1

1 answer

Find equation of the line perpendicular to the line $x-7y+5=0$ and having $x$ intercept 3.

asked May 10, 2014 by thanvigandhi_1

1 answer

Find the equation of the line parallel to the line $3x-4y+2=0$ and passing through the point $(-2, 3)$

asked May 10, 2014 by thanvigandhi_1

1 answer

Find the points on the $x$ axis, whose distance from the line $\large\frac{x}{3}$$+\large\frac{y}{4}$$=1$ are 4 units.

asked May 9, 2014 by thanvigandhi_1

1 answer

Find the distance of the point (-1, 1) from the line $12(x+6)=5(y-2)$.

asked May 9, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the points which trisect the segment joining the points $P(4,2,-6)$ and $ Q(10,-16,6)$

asked May 8, 2014 by rvidyagovindarajan_1

1 answer

Using the section formula show that the points $A(2,-3,4),\:B(-1,2,1),\: C(0,\large\frac{1}{3}$$,2)$ are collinear.

asked May 8, 2014 by rvidyagovindarajan_1

1 answer

Find the ratio in which $YZ$ plane divides the segment formed by joining the points $(-2,4,7)$ and $(3,-5,8)$

asked May 6, 2014 by rvidyagovindarajan_1

1 answer

Given that $P(3,2,-4),\:Q(5,4,-6)\:\:and\:\:R(9,8,-10)$ are collinear. Find the ratio in which $Q$ divides $PR$

asked May 6, 2014 by rvidyagovindarajan_1

1 answer

Find the equation of the set of points $P$ the sum of whose distance from $(4,0,0)$ and $(-4,0,0)$ is equal to $10$

asked May 3, 2014 by rvidyagovindarajan_1

1 answer

Find the equation of the set of points which are equidiatant from the the points $(1,2,3)$ and $(3,2,-1)$

asked May 3, 2014 by rvidyagovindarajan_1

1 answer

If $x=a(\theta - \sin \theta) \quad ; y= a(1+\cos \theta) $ find $\large\frac{d^2y}{dx^2}$ at $\theta =\large\frac{\pi}{2}$

asked May 1, 2014 by meena.p

1 answer

If $\cos x=-\large\frac{\sqrt{15}}{4}$ and $\large\frac{\pi}{2}$$ \lt x $$ \lt \pi$ ,find the value of $\sin x$

asked Apr 22, 2014 by sreemathi.v

1 answer