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Kaur
Questions (362)
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
306 views
What is the least number that can be added to 14639 to make it a perfect square
2 answers
580 views
sum of series 497.3+495.3+493.7+.....+3.497
1 answer
352 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
2 answers
301 views
If arc PQ,QR,AND PR ARE MINOR ARCS THEN TRIANGLE PQR IS A ----TRIANGLE ,ACUTE OR OBTUSE
Urgent plse
3 answers
614 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
299 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
313 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
367 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
2 answers
485 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
2 answers
477 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
1 answer
852 views
Identify which of following are statements :
a) Krishna is black . b) How black is Krishna?
1 answer
320 views
The volume of a hemispherical shell of outer radius 7 cm and inner radius 3.5 cm is
1 answer
1,088 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 ???
4 answers
647 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
343 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
1 answer
1,064 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
300 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
3 answers
372 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
711 views
lim x tends to 0,
[1+x(1+{f(x)/kx^2})] = e^3 and f(4)=64. Find the value of k.
1 answer
540 views
consider the word MULTIPLE then in how many ways letters of word MULTIPLE can be arranged
A) without changing the order of vowels
0 answers
568 views
The number of ways in which the letters of the word MULTIPLE be arranged without changing the order of the vowels is
1 answer
656 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
353 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
0 answers
308 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
4 answers
1,861 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
2 answers
372 views
The number of the positive integral of 2 xbaseto1 + 3 xbaseto2 + 4 xbase3 + 5 xbase to 4 = 25 , is
3 answers
235 views
If f(x)= max{-x-2,-1,x-2}
Tell this function is differentiable and continuous at (1,-1)????
2 answers
261 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??
2 answers
664 views
Hi , I need help. I am starting my work related to art and craft.
Can anyone suggest me the name?
1 answer
290 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
357 views
Is there any particular method for solving trigonometric functions in greatest integer function in lim x - 0 ( for sinx and
1 answer
357 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
2 answers
1,259 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
305 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
1 answer
1,356 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
278 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
2 answers
348 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 -
2 answers
527 views
. Two friends Kallis
work separately they work of levelling, alternately for one Kallis and Clerk take up the work of levelling
4 answers
1,620 views
A kg of dalandan in fruit stand x cost 55.00. If Jessica bought 3 kilograms, how much did she spend?
2 answers
901 views
If a fifth degree polynomial is divide by a third degree polynomial,what is the degree of the quotient
2 answers
2,245 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
1 answer
878 views
Range of
4cos^6x+(1/2)
1 answer
261 views
Cube root of (39+20root2) + Cube root of (39-20root2)
2 answers
293 views
Cube root of (39+20root2) + Cube root of (39-20root2)
3 answers
349 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
308 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??
2 answers
387 views
The interest on rs 200 for 1 year is rs 15.
Plot interest for different annual periods
3 answers
323 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 ??
4 answers
1,034 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
3 answers
3,508 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
526 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
652 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
318 views
Range of 1/[root(x^2-4)]
3 answers
314 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
2 answers
1,021 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,
3 answers
874 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
3 answers
1,445 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)
5 answers
577 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
1 answer
589 views
If f(x)= (4cos^4x+2cos^2x+2sin^2x-x^9-1/2cos4x)^(1/9). Find f(f(2))
1 answer
961 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
2 answers
337 views
what is the heat of reaction when 1 mole of gaseous hexane, c6h14 undergoes combustion as in following equation
2 answers
704 views
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