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Answers posted by vijayalakshmi.r
Questions
1231
answers
9
best answers
0
votes
The students of a class arranged a picnic. Each student contributed as much
answered
Jul 2, 2018
https://clay6.com/qa/57671/the-students-of-a-class-arranged-a-picnic-each-student-contribute-as-many...
0
votes
Find the smallest number by which 768 must be multiplied to get the petfect
answered
Jul 2, 2018
https://clay6.com/qa/57673/find-the-smallest-number-by-which-768-must-be-multiplied-to-get-the-perfe...
0
votes
Find the largest number of four digits which is exactly divisible by 18,25
answered
Jul 2, 2018
To find the largest number which is divisible by 18,25 and 35 , we have to find the lcm of the three...
0
votes
By what number should we multiply -15 upon 28 so that the product may be-5u
answered
Jul 2, 2018
-15/28 x X = -5/7 X = -5/7 x 28/15 X = 4/3
0
votes
The product of two positive number is 15876,one of the number is 9 times th
answered
Jul 2, 2018
xy = 15876 x= 9y Hence 9y^2 = 15876 y^2 = 1764 Therefore y = 42 and x = 9 x 42 = 378
0
votes
find the coefficient of X Factor 5 in(1-2x)5
answered
Jul 2, 2018
5C5 (-2x)^5 = -32x^2 Hence the coefficient of x^5 = -32
0
votes
Find differential equation carosponding to x²=4ay
answered
Jun 26, 2018
x^2 = 4ay Differentiating w.r.t x 2x = 4ay' or a = x/2y' x^2 = 4.[x/2y'].y y'x^2=2xy y'x^2-2xy ...
0
votes
X+3y+3z=12,X+4y+4z=15,X+3y+4z=13 using matrix inversion method
answered
Jun 23, 2018
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0
votes
If x,3/2,z are in A.P; x,3,z are in GP then what will be HP
answered
Jun 23, 2018
If x,3/2,z are in A.P, then (x+z)/2 = 3/2 or x+z = 3 If x,3,z are in G.P, then xz = 9 Dividing bot...
0
votes
In a school of 4500 students the PT Teacher wants to make students sit in a
answered
Jun 23, 2018
No: of students = 4500 No: of rows = no: of columns To get a perfect square root, we need to subtr...
0
votes
one angle of a quadrilateral has measure 2π/9 radians and the measure of
answered
Jun 23, 2018
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0
votes
The population of a town is 60,000 in 2014. What was the population in 2011
answered
Jun 23, 2018
https://clay6.com/qa/90584/the-population-of-a-town-is-60000-in-2014-what-was-the-population-in-2011...
0
votes
Verify lagrange's mean value theroem f(x)=(sinx+cosx) on [0,π/2]
answered
Jun 23, 2018
Sinx + cos x is continuous at the given interval Sinx + cosx is differentiable at the given interva...
0
votes
If the diagonals of a parallelogram are equal it is a rectangle. Prove by v
answered
Jun 23, 2018
https://clay6.com/qa/7598/prove-by-the-vector-method-if-the-diagonals-of-a-parallelogram-are-equal-t...
0
votes
Find the length of a side of a square playground whose area is equal to th
answered
Jun 23, 2018
area of the rectangular playground = 72 x 338 = area of the square playground of side a Hence a^2 =...
0
votes
Greatest 5 digit even number with different digits
answered
Jun 23, 2018
98764 is the greatest even 5 digit number having different digits
0
votes
every point of the number line represents what
answered
Jun 23, 2018
a real number
0
votes
If a+b:b+c:c+a =3:4:5. Find a:b:c?? Send me the solution in cckumar4@gmail.
answered
Jun 23, 2018
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0
votes
Consider a curve y=x3+8x+3 A find the point on the curve at which the slope
answered
Jun 20, 2018
y = x^3 + 8x +3 dy/dx = 3x^2+8 = 20 3x^2 = 12 or x = +2 or - 2 Hence the points are (2,27) and (-...
0
votes
A part of circumference of a circle is?
answered
Jun 20, 2018
a part of a circumference of a circle is called an Arc of a circle.
0
votes
Using elementary transformations, find the inverse of the following matrix:
answered
Jun 20, 2018
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0
votes
60 ? 120 80 40 16 solve
answered
Jun 20, 2018
https://clay6.com/qa/110194/complete-the-series-60-120-80-40-16 Click the above link for the answer...
0
votes
Consider circles S1: x^2+y^2-2x-6y-10=0 and S2: x^2+y^2-12x-26y+200=0 .Fin
answered
Jun 20, 2018
The centres of the two circles are (1,3) and (6,13) respectively Hence the equation of the line joi...
0
votes
6 taps can fill a tank in 30 min. How many taps will fill the tank in 20 mi
answered
Jun 20, 2018
6 taps-----30min, therefore for 20 min, [30/20] x 6 = 9 taps
0
votes
Find the equation of the plane throug the points (2,2,1)&(3,1,2) &perpend
answered
Jun 20, 2018
Let the equation of the plane be a(x-2)+b(y-2)+c(z-1) = 0------(1) since it passes through the poin...
0
votes
If A is a square matrix such that | A | = 5, write the value of | AA^T | .
answered
Jun 20, 2018
https://clay6.com/qa/69353/if-a-is-a-square-matrix-such-that-a-5-write-the-value-of-aa-t- Click the...
0
votes
The horizontal range of a projectile is 800 m.The maximum height attained b
answered
Jun 20, 2018
Given Rmax = 800 = u^2sin2x/g = 800 or u^2/g = 800/sin2x Hmax = u^2sin^2x/2g = [800/4sinxcosx]. s...
0
votes
In a parliament election, apolitical party hired a relations firm to promot
answered
Jun 19, 2018
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0
votes
67) 10 students were selected from a school on the basis of values for givi
answered
Jun 19, 2018
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0
votes
65) A school wants to award its students for the values of Honesty, Regular
answered
Jun 19, 2018
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0
votes
Solve(by Cramer's rule) x+y-z=3 2x+z=10 5x-y-2z=-3
answered
Jun 19, 2018
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0
votes
(-3)(-7)+6(-2)-(-8)5
answered
Jun 19, 2018
(-3)(-7) + 6(-2) - (8)(5) = 21 -12 - 40 = -31
0
votes
if f of X equal to sin square x + sin square of X + 5 by 3 + cos x into cos
answered
Jun 19, 2018
Can you give a clear question?
0
votes
which of the following is to be added to make x^6−6x^4+4x^3+8x^2-10x+3 a
answered
Jun 19, 2018
https://clay6.com/qa/61777/which-of-the-following-is-to-be-added-to-make-x-6-6x-4-4x-3-8x-2-10x-3-a-...
0
votes
which of the following is to be added to make $x^6-6x^4+4x^3+8x^2-10x+3$ a perfect square?
answered
Jun 19, 2018
X-1 is a factor of the given equations, hence (x-1)^2 should be added to it to make it a perfect squ...
0
votes
Let x, y, z be a positive real number such that x +y+z=12 and x^3y^4z^5=(0.
answered
Jun 7, 2018
https://clay6.com/qa/78838/let-x-y-z-be-positive-real-numbers-such-that-x-y-z-12-and-x-3y-4z-5-0-1-6...
0
votes
A team of eleven best cricket batsman of the world. is it a set?
answered
Jun 7, 2018
Yes. It s an infinite set.
0
votes
Which pen can I use in cbse class 12 board exam
answered
Jun 7, 2018
You can use a good blue ink ball pen.
0
votes
Eccentric angle of a point on the ellipse x²+3y²=6 at the distance 2 unit
answered
Jun 7, 2018
https://clay6.com/qa/37561/the-eccentric-angle-of-a-point-on-the-ellipse-large-frac-frac-1-whose-dis...
0
votes
pick the odd man out medium average terrible mediocre ink
answered
Jun 5, 2018
Ink is the odd man
0
votes
Find all pairs of consecutive even natural number both of which are larger
answered
Jun 2, 2018
The question seems to have an error. Can you give the correct question?
0
votes
a:b=b:c=3:4 then value of a:b:c is
answered
Jun 2, 2018
a/b=3/4 and b/c = 3/4 a/b x b/c = a/c Therefore 3/4 x 3/4 = a/c = 9/16
0
votes
The no. Of all possible matrices of order 3×3 with entry 0 or 1 is
answered
Jun 2, 2018
https://clay6.com/qa/28328/the-number-of-all-possible-matrices-of-order-3-x-3-with-each-entry-0-or-1...
0
votes
if n is not a multiple of 3 then omega^n+omega^2n=
answered
Jun 2, 2018
https://clay6.com/qa/18397/if-1-omega-omega-2-are-the-cube-roots-of-unity-then-delta-begin1-omega-n-...
0
votes
The maximum no. Of equivalence relations on set A ={1,2,3} is
answered
Jun 2, 2018
https://clay6.com/qa/1652/the-maximum-number-of-equivalence-relations-on-the-set-a-are Click the ab...
0
votes
(3'1) (9'3) Using determinent
answered
Jun 2, 2018
Incomplete question
0
votes
if |6i -3i 1| |4 3i -1| =x+iy,then |20 3 i|
answered
Jun 2, 2018
The question seems to be unclear. Can you give a clear question?
0
votes
If [■(1&2@3&4)].[■(3&1@2&5)] = [■(7&11@k&23)], then write the value o
answered
Jun 1, 2018
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0
votes
Using elementary row operations, find the inverse of the matrix[■(2&5@1&3
answered
Jun 1, 2018
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0
votes
If A = (aij) = [■(2&3&-5@1&4&9@0&7&-2)] and B = (bij) = [■(2&1&-1@-3&4&
answered
Jun 1, 2018
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