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Answers posted by vijayalakshmi.r
Questions
1231
answers
9
best answers
0
votes
What is primary data?
answered
Apr 4, 2018
Primary data are first hand informations. These informations are collected directly from the ...
0
votes
If 2 events a and b are such that P(A)=0.7 P(B)=0.4 and P(A intersection B'
answered
Apr 4, 2018
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0
votes
A plane contains the point A whose position vector is 3i+4j+2k and is perpe
answered
Apr 4, 2018
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0
votes
The order of the differential equation whose solution is y=acosx+bcosx+ce^
answered
Apr 4, 2018
Since it has 3 arbitraty constants, it has to be differntiated 3 times. Hence the order of the equa...
0
votes
The value of k for which the function f(x) = { (4/5)^tan4x/tan5x, 0
answered
Apr 4, 2018
Lim x tends to pi/2 (4/5)^tan4x/tan5x = 1 Hence 1 = k+2/5 Therefore k = 1-2/5 = 3/5
0
votes
The foot of perpendicular drawn from the point A(1,8,4) to the join of the
answered
Apr 4, 2018
https://clay6.com/qa/4865/find-the-co-ordinates-of-the-foot-of-perpendicular-drawn-from-the-point-a-...
0
votes
Express-64/112 as a rational number with denominator 7
answered
Apr 4, 2018
https://clay6.com/qa/77795/express-64by112-as-a-rational-number-with-denominator-7 Follow the above...
0
votes
Express-48รท60 as a rational number with denominator 25
answered
Apr 4, 2018
48/60 = 4/5 4x5 / 5x5 = 20/25
0
votes
Inorder to elminate first degree terms from the equation the point ti which
answered
Apr 4, 2018
The eqautaion is missing. Can you give the correct question?
0
votes
Two point charges q and 4q are place 6 m apart . The point at which the ele
answered
Apr 4, 2018
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0
votes
Construct a rectangle whose length =4 and breadth =3 , what will be the le
answered
Apr 4, 2018
The length of the diagonal = sqrt of 3^2 + 4^2 = sq rt of 25 = 5 Hence the length of the diagonal =...
0
votes
One card is drawn from a well shuffled Deck of 52 cards find the probabilit
answered
Apr 4, 2018
Probability of getting a red card = 26/52 Probability of getting a king of red card is 2/52 Theref...
0
votes
Find the equation of plane passing thrugh the points (2,3,4) and x-axis
answered
Apr 3, 2018
Can you check the question please? Is the plane parallel to X- axis?
0
votes
kindly explain question 17 of mathematics in jee main test 15
answered
Apr 3, 2018
you are asked to find the lenght of the normals drawn from the point on the x- axis and also whose d...
0
votes
Solve ydy/DX=y(lny-lnx+1)
answered
Apr 1, 2018
The question should have been x[dy/dx] = y[lny - lnx +1] dy/dx = [y/x] [ 1+ln(y/x)] put y/x = v an...
0
votes
Charge in 250 ml of water
answered
Apr 1, 2018
1 mole of water contains 18g Therefore 250g of water contains 250/18 moles No: of atoms present = ...
0
votes
How to calculate distance of closest approach in fcc
answered
Apr 1, 2018
The closest approach in FCC unit cell atoms is a/ sq rt of 2. In FCC unit cell atoms, the atoms are...
0
votes
A line passes through the point of intersection of lines x+2y-1=0 & 2x+3y-4
answered
Apr 1, 2018
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votes
if RAVE is coded as SXWB then how will SCAW be coded
answered
Apr 1, 2018
The series is +1-3+1-3 R +1 = S, A-3 =X, V+1 = W, E-3 = B,hence SXWB Similarly S+1 = T, C-3 = Z, A...
0
votes
Which of the following is a factor on which the EMF of cell depends
answered
Mar 30, 2018
The question seems to be incomplete.
0
votes
A bag contains 3 red and 5 black balls and second bag contains 6 red and 4
answered
Mar 14, 2018
Probability of getting a red ball from bag 1 = 3/8 Probability of getting a black ball from bag 1 =...
0
votes
how cyclotron works and what is its principle
answered
Mar 14, 2018
https://clay6.com/qa/82045/what-is-cyclotron-discuss-the-principle-construction-theory-and-working-o...
0
votes
The height of a T.V.tower is 50m.if radius of earth is 6400km,what is maxi
answered
Mar 14, 2018
Maximum distance of transmission = sq rt of 2hR = sq rt of 2x 50 x 6400 x 10^3 = 64 x 10^7 m or 64 x...
0
votes
is electric field affects speed of the particle
answered
Mar 14, 2018
The electric field does not depend upon the velocity of the particle. so it does not affectthe speed...
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Verify the continuity of the following function f(x)=(x^2-5x+6)/(x -2) at x
answered
Mar 13, 2018
x^2 -5x + 6 can be factorised as (x-3)(x-2) Let the left hand limit be 2-h hence as x----->2, h-...
0
votes
The Centroid of the triangle whose vertices are (0,0),(2,4),(7,4)
answered
Mar 13, 2018
the entroid of the triangle is [x1+x2+x3]/3 and [y1+y2+y3]/3 [0+2+7]/3, [0+4+4]/3 = 9/3, 8/3 (3,8...
0
votes
express -48/60 as rational number with denominator 25
answered
Mar 13, 2018
- 48/60 12is the common factor Hence -4/5 . Again multiply and divide by 5 --20/25
0
votes
how did you get -4/7 as the answer for the question -64/112
answered
Mar 13, 2018
16 is the common factor for both 64 and 112. So divide by the common factor and we get -4/7
0
votes
Simplify and express the result as a rational number in standard form : \large\frac{-14}{9}\times {-27}
answered
Mar 13, 2018
14 x 27/9 = 14 x 3 = 42 B is the correct option
0
votes
express -12/30 of rational number in standard form?
answered
Mar 13, 2018
-12/30 = -2/5
0
votes
express -14/49 of rational number in standard form?
answered
Mar 13, 2018
-14/49 = -2/7
0
votes
express 24/-64 of rational number in standard form?
answered
Mar 13, 2018
24 / -64 = - 3/8
0
votes
express -36/-63 of rational number in standard form?
answered
Mar 13, 2018
-36/-63 = 23/31
0
votes
find the power of convex lens if image formed is at distance of 16 cm from
answered
Mar 13, 2018
Lens formula: 1/v - 1/u = 1/f Given : u = -20cm, v = +16 cm Therefore i/f = 1/16 - 1/20 = 1/80 Th...
0
votes
given that A=[a b c. abc=1 a,b c belongs to R^+ A'A=I
answered
Mar 13, 2018
The question is not clear. Can you give the correct question?
0
votes
how does a positively charged glass rod attract neutral piece of paper
answered
Mar 13, 2018
The pieces of paper which are neutral, when brought near a positively charged glass rod, acquires ne...
0
votes
Root 6 subtract root 7 is the conjugate surd of root 6 add root 7
answered
Mar 13, 2018
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0
votes
A pair dice is thrown 4 times. If getting a doublet is considered a success
answered
Mar 13, 2018
https://clay6.com/qa/4920/a-pair-of-dice-is-thrown-4-times-if-getting-a-doublet-is-considered-a-succ...
0
votes
What is the probablity that an ordinary year has 53 sundays.What is the pro
answered
Mar 13, 2018
https://clay6.com/qa/92316/the-probability-that-a-leap-year-will-have-53-sundays-and-53-monday Foll...
0
votes
A tangent having slope -4/3 to the ellipse x^2/18+y^2/32=1 intersect the ma
answered
Mar 13, 2018
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0
votes
X square + 2y -3x +5=0
answered
Mar 13, 2018
The question seems to be incomplete. Can you give a clear qestion?
0
votes
Find the equation to the plane containing the parallel lines (x-3)/4=(y-2)/
answered
Mar 5, 2018
There seems to be an error in the question. Can you give the correct question?
0
votes
The foot of the perpendicular drawn from (7,6)on Y-axis is
answered
Mar 5, 2018
The foot of the perpendicular is (0,7)
0
votes
When object is moved x cm from convex mirror how will the image move
answered
Mar 5, 2018
As the object moves towards the mirror, the image also moves towards the mirror and grows in size.
0
votes
If in a certain code, the word 'PROCESSOR' is coded as 'CEBPRFFBE', then ho
answered
Mar 5, 2018
MONITOR ZBAVGBE
0
votes
expand cos(a-b-c) and sin (a+b+c)
answered
Mar 5, 2018
cos(a-b-c) = cos[(a-b)-c] = cos(a-b)cosc +sin(a-b)sinc = [cosa cosb+sina sinb]cosc + [sinacosb - c...
0
votes
Find the equation of plane passing theought apoint x y z n a b c and perper
answered
Mar 1, 2018
The question is unclear. Can you give the correct question?
0
votes
Is it possible to have a triangle with the side 3cm,3cm and 6cm
answered
Mar 1, 2018
The sum of the sides of the two sides of the triangle should be greater than the third side. Hence ...
0
votes
Find the cost of fencing a well of radius 1.54 m at he rate of rupees 75 pe
answered
Mar 1, 2018
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0
votes
P(E)-P(F)=2/3 then find P(E) ?
answered
Mar 1, 2018
There seems to be an error in the question. Can you give the correct question?
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