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Kaur
Questions and answers by
Kaur
Questions (362)
Find a quadratic polynomial whose zeroes are (2Alpha + 1) and (2Beta+1) if Alpha and Beta are the zeroes of the polynomial
4 answers
850 views
In a survey of 240 television viewers, 3/5 indicated that they like comedies, some indicated that they do not like comedies, and
4 answers
2,401 views
If SQUARE is coded as 9E7R1A, RECTANGLE is coded as 8E5L3G0N1, then how will you code QUADRILATERAL?
5 answers
asked by
Kaur
1,357 views
Find anti-derivative of
(sinx + 3cosecx)^2 + cos^2x
4 answers
asked by
Kaur
1,783 views
A 2009 digit number is multiplied by 54. The last two digits of the product are 6 and 8 in this order.If the same number is
4 answers
657 views
If matrix A = [ 0 1 , -1 1]
find the value of p and q such that (pl+qA)^2 =A.
4 answers
1,342 views
If a and b are two positive co-prime integers such that a = 12b then
HCF (a, 12) =
4 answers
1,051 views
Both the end digits of a 999 digit number N is 3 and N is divisible by 11, then find all the middle digits.
4 answers
523 views
A man invested 25,000 pesos in two parts; one part was invested at 5% and the other at 7%, how much was invested at 7% if the
4 answers
1,250 views
the complete solution set of x which satisfy the inequality
[4/(x-2) ]>=[3/(2x-1)]
6 answers
1,852 views
ABCD is a quadrilateral in which diagonals intersect at 90 degree.
Given, AB = 6cm, CD = 5cm and DA = 6cm. Find side BC
2 answers
238 views
PQ and PR are tangents to the circle centred at O. If OPR = 45°, then prove that ORPQ is a square.
5 answers
3,546 views
A rock is thrown in a pond, and creates circular ripples whose radius increases at a rate of 0.2 meter per second. What will be
5 answers
2,106 views
2 men can complete the job in 24 days. If the faster one can alone complete the job 20 days faster than the second man, find the
5 answers
1,545 views
Find the present value of a perpetuity of rs 18,000 payable at the end of 6 months, if the money is worth 8% p.a. compounded
4 answers
624 views
what is the heat of reaction when 1 mole of gaseous hexane, c6h14 undergoes combustion as in following equation
3 answers
596 views
if x+y=0 then -y is known as negative of x where x and y are rational numbers.
State true or false and explain why if its true
3 answers
285 views
If f(x)= (4cos^4x+2cos^2x+2sin^2x-x^9-1/2cos4x)^(1/9). Find f(f(2))
2 answers
891 views
If you multiply 6 by an even number, the answer will end with the same digit. The number in the ten's place will be half of the
3 answers
493 views
if relation r1 and r2 from set A to set B are defined as r1{(1,2),(3,4),(5,6)} and r2 ={(2,1),(4,3),(6,5)}, then n(AXB)
6 answers
465 views
if relation r1 and r2 from set A to set B are defined as r1{(1,2),(3,4),(5,6)} and r2 ={(2,1),(4,3),(6,5)}, then n(AXB)
Options
4 answers
1,334 views
If a variable plane in 3-D space moves in such a way that the sum of its reciprocal of intercepts on the x and y-axis exceeds,
4 answers
785 views
the roots of the equation
(ab-1)x²+(a+b)x-ab=0 are always a) real b) equal c) complex d) cannot be determined
4 answers
939 views
Range of 1/[root(x^2-4)]
4 answers
264 views
Range of 1/[root(x^2-4)]
I solved in following way.. kindly check its right or wrong First, I converted x in terms of y as
1 answer
255 views
abcd is a parallelogram.if the line joining the mid-point of side bc to vertex a bisects angle a,then prove that bisector of
2 answers
540 views
abcd is a parallelogram.if the line joining the mid-point of side bc to vertex a bisects angle a,then prove that bisector of
1 answer
417 views
AA × AA = BOB,
A^A= A × A, PP × PP = PAP. If each letter in the given equations stands for a number between 1 to 9, what is
4 answers
3,429 views
If Triangle A is similar to triangle B, and triangle C is similar to Triangle A, then is Triangle C similar to triangle B ??
5 answers
982 views
The interest on rs 200 for 1 year is rs 15.
Plot interest for different annual periods
4 answers
279 views
Construct a quadrilateral ABCD, when AB=5 cm, BC= 6 cm, DC= 5.5 cm, AC=4 cm and BD=4.5cm.
Is it a concave polygon??
3 answers
341 views
Please explain how it is concave
Construct a quadrilateral ABCD, when AB=5 cm, BC= 6 cm, DC= 5.5 cm, AC=4 cm and BD=4.5cm.
1 answer
251 views
Cube root of (39+20root2) + Cube root of (39-20root2)
4 answers
306 views
Cube root of (39+20root2) + Cube root of (39-20root2)
3 answers
246 views
Range of
4cos^6x+(1/2)
1 answer
217 views
of 75 people with cell phones ,42 take pictures with their cell phone and 36 use their cell phone to take pictures and send
3 answers
796 views
If a fifth degree polynomial is divide by a third degree polynomial,what is the degree of the quotient
4 answers
2,182 views
A kg of dalandan in fruit stand x cost 55.00. If Jessica bought 3 kilograms, how much did she spend?
3 answers
851 views
. Two friends Kallis
work separately they work of levelling, alternately for one Kallis and Clerk take up the work of levelling
6 answers
1,450 views
Which row in the table below contains a number that is a multiple of 9 and another that is a perfect square?
A - 45 80 65 39 B -
3 answers
473 views
If D is the mid point of side of side BC of a traingle ABC, P and Q are two points lying respectively on the sides AB and BC
3 answers
270 views
Three friends A, B and C are walking at the speed of 3,4,5 km/hr respectively. They start at same place at 1,2,3 O’clock
1 answer
210 views
Let a̅ = î− ĵ, b̅ = ĵ− k̂ & c̅= k̂ − i.̂
If d̅ is a unit vector such that a vector. d vector = 0 [b̅ c̅d], then
1 answer
249 views
MNC company employed 25 men to do the official work in 32 days. After 16 days, it employed 5 more men and work was finished one
3 answers
1,152 views
Is there any particular method for solving trigonometric functions in greatest integer function in lim x - 0 ( for sinx and
1 answer
296 views
A man paid rs 315 towards a stereotype .
a sales tax of 5% was also charged on original price of stereo system. The amount paid
1 answer
286 views
Hi , I need help. I am starting my work related to art and craft.
Can anyone suggest me the name?
1 answer
233 views
If m = 1+(1/root3)+(1/root 5)+(1/root7)+........... and
n = 1+(1/root2)+(1/root 4)+(1/root6)+... Then find m+n and m-n??
3 answers
573 views
If f(x)= max{-x-2,-1,x-2}
Tell this function is differentiable and continuous at (1,-1)????
2 answers
219 views
The number of the positive integral of 2 xbaseto1 + 3 xbaseto2 + 4 xbase3 + 5 xbase to 4 = 25 , is
4 answers
194 views
A man paid Rs. 800 for 100 hours a week as a basic pay and over time is paid 50% above the basic pay. If he gets Rs. 1000 as a
3 answers
306 views
The number of positive integral solutions of 2x1+3x2+4x3+5x4=25 is?
Options A) 20 B) 22 C) 23 D) none of these
5 answers
1,771 views
A man paid Rs. 800 for 100 hours a week as a basic pay and over time is paid 50% above the basic pay. If he gets Rs. 1000 as a
1 answer
254 views
consider the word multiple then in how many ways letters can be arranged that the total number of words using all the letters
1 answer
260 views
The number of ways in which the letters of the word MULTIPLE be arranged without changing the order of the vowels is
2 answers
555 views
consider the word MULTIPLE then in how many ways letters of word MULTIPLE can be arranged
A) without changing the order of vowels
1 answer
486 views
lim x tends to 0,
[1+x(1+{f(x)/kx^2})] = e^3 and f(4)=64. Find the value of k.
2 answers
484 views
consider the word MULTIPLE then in how many ways letters of word MULTIPLE can be arranged
A) without changing the order of vowels
2 answers
620 views
what is the equation of straight line passing through intersection of lines 2x+y=3 and x+2y+5=0 , if the intercepts made by the
4 answers
313 views
Consider the circles x^2+y^2=1 and x^2+y^2-2x-6y+6=0. Then find the equation of a common tangents to a circles ???
1 answer
231 views
Very urgent
for how many integer values of k do the circle x^2+y^2 =k^2 and hyperbola xy=k may not intersect each other
4 answers
955 views
what is the equation of straight line passing through intersection of lines 2x+y=3 and x+2y+5=0 , if the intercepts made by the
1 answer
269 views
Consider the circles x^2+y^2=1 and x^2+y^2-2x-6y+6=0. Then find the equation of a common tangents to a circles ???
5 answers
571 views
The volume of a hemispherical shell of outer radius 7 cm and inner radius 3.5 cm is
2 answers
1,005 views
Identify which of following are statements :
a) Krishna is black . b) How black is Krishna?
1 answer
246 views
If x^4+ax^3+bx^2+cx+d=0 has four positive real roots then
A) ac+16d>=0 B) ac-16d<=0 C) b^2-36d<=0 D) b^2+36d>=0 Urgent plse asap
3 answers
747 views
if the difference of the semi perimeter and the sides of triangle are 60m, 13m and 10m and the area of the triangle is 1344 m^2
F
3 answers
358 views
The sum of two numbers is 100. which of following could be new sum if one of number is rounded to nearest tens
110 105 94 90 Very
3 answers
408 views
If A-B perpendicular to A
and |A-B|=B/2 What is an angle between A and B Question is from vector chapter Plse help
1 answer
295 views
If a+(1/a)=23
Find a^(1/4) + b^(1/4) Options Root 17 Root 19 23^(1/4) None of these
1 answer
249 views
If
A={x:x is multiple of 10 , x < 20} B={x:x is multiple of 5, x <15} Find n(A)- n(B)??
1 answer
240 views
If arc PQ,QR,AND PR ARE MINOR ARCS THEN TRIANGLE PQR IS A ----TRIANGLE ,ACUTE OR OBTUSE
Urgent plse
4 answers
546 views
If arc PQ,QR,AND PR ARE MINOR ARCS THEN TRIANGLE PQR IS A ----TRIANGLE ,ACUTE OR OBTUSE
Urgent plse I didnt understand its
3 answers
238 views
sum of series 497.3+495.3+493.7+.....+3.497
1 answer
281 views
What is the least number that can be added to 14639 to make it a perfect square
3 answers
504 views
If the mean of 45 observations is 49. If 3 is added to 10 observations and 5 is subtracted from other 10 observations. Find the
1 answer
232 views
Four rational numbers between 0.1 and 0.11111.....??
Very urgent
1 answer
221 views
Each of three sets A,B,C has exactly 3 elements. A−B={1,5}; B−C={2,4}; C−A={3,7}. Find A,B and C.
Plse explain step by step
1 answer
185 views
Each of three sets A,B,C has exactly 3 elements. A−B={1,5}; B−C={2,4}; C−A={3,7}. Find A,B and C.
1 answer
189 views
Mallica has two flower beds in her garden. One has 18 rows and other has 24 rows. Both flower beds have same number of flowers.
4 answers
753 views
Mallica has two flower beds in her garden. One has 18 rows and other has 24 rows. Both flower beds have same number of flowers.
1 answer
389 views
Is it always necessary for a quadrilateral to be inside a circle, in cyclic quadrilateral????
1 answer
311 views
There are 2% defective nuts in a large bulk of nuts Write the probability distribution for getting defective nuts in a random
3 answers
488 views
integrate 1/[root(2x^2+x-3) ] dx
Urgent
1 answer
165 views
Solve
(root10+root18)/(root8+(root(3-root5))) Urgent
4 answers
512 views
Find the values of x
((root(x-3))/(x-2)>0 Urgent
4 answers
218 views
why it is not polynomial (x-1)/(x+1)
Urgent
4 answers
203 views
Solve the inequality
x^(-1/4)<-1/2 Please fast
6 answers
265 views
Solve the inequality
x^(-1/4)<-1/2 Urgent
1 answer
219 views
Limit x tends to 1, (1+sinpix)^(cotpix)
Urgent
1 answer
201 views
the number of possible matrices of order 2*3 with each entry 0, 1 or 2
1 answer
165 views
the number of students in a certain school is 600 and 2/3 of its boys. What is the no. Of girls in school
1 answer
228 views
a task of 30 man days was done by group of men in 5 days. if total salary paid to all of them was rs. 36000
Whats the salary paid
1 answer
264 views
Write a quadratic polynomial each with a>0 and a<0. Draw the graph
1 answer
196 views
Find the value of p, for which one root of the quadratic equation px^2 -14x + 8 = 0 is 6 times the other.
4 answers
893 views
The converse of the contrapositive of the conditional p→∼q is :
3 answers
391 views
Riya made 5/6l of strawberry shake. then she poured it equally into some glasses. if each glass contains 3/18 of the strawberry
1 answer
240 views
find the length of diagonal of a hexagonal prism if the length of each side is 2r ?
1 answer
197 views
find the length of diagonal of a hexagonal prism if the length of each side is 2r ?
Explain briefly
2 answers
187 views
If a hexagon is placed over other hexagon and there is a little space between them then what is the length of diagonal of the
1 answer
225 views
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