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Kaur

Questions (362)

solution of(sin^4theta - cos^24theta)=(7/2)sintheta costheta
1. 1 answer
2. 232 views
Find value of(sin^2(2x)/cos^2(x)) + (sin^2(4x)/cos^2(2x)) + (sin^2(x)/cos^2(4x))
1. 1 answer
2. 214 views
Solution of2(sin^2theta - cos^2theta)=7sintheta costheta
1. 1 answer
2. 233 views
After five years the sum of ages of father and his son will be 70. Then four years ago sum of their ages was
1. 2 answers
2. 242 views
a boy invested rs. 60,000 at an interest rate of 12% per annum compounded every 3 month. What amount would he get i)after 1
1. 6 answers
2. 298 views
Find the effective rate which is equivalent to nominal rate of 10% p.a. compounded monthly.
1. 4 answers
2. 309 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
1. 3 answers
2. 763 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
1. 3 answers
2. 1,641 views
Which of the following decimal expansion cannot be a rational numberA) 0.697 B) 0.45 (bar in 5) C) 0.3789 (bar 3789) D)
1. 1 answer
2. 189 views
A certain sum was invested on simple interest for a period of seven years. During the period of the sixth and the seventh years
1. 2 answers
2. 390 views
Roll two die simultaneously 20 times. Note down the the outcomes on both the die each time on your register. Now add the
1. 2 answers
2. 271 views
A scooter tank has 7/3 litres of petrol.Parmeet rides around for 3 hours and sees that the petrol level has come down to 1/2
1. 4 answers
2. 490 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.
1. 3 answers
2. 585 views
Find the missing term10, 4, 7,___, 8, 15, 32, 12, 23, 43
1. 1 answer
2. 260 views
Find the equation of the plane through the points (1, -1, 2) and (2, -2, 2) and is perpendicular to the plane6x - 2y + 2z = 9. I
1. 1 answer
2. 258 views
for what values of k roots of2x^2 + 4k x + 128 = 0 are imaginary
1. 2 answers
2. 203 views
Trapezium ABCD and ADEF have the same height and the ratio of their areas is 13:14 .If AD = 10 cm and BC = 16 cm, find the
1. 1 answer
2. 183 views
SolveRoot(18+2root65) + root(36+2 root15)=?
1. 1 answer
2. 190 views
Can random variable(X) and probability of a random variable p(X) both be negative.
1. 2 answers
2. 219 views
Find quadratic polynomial if sum and product of zeros are root2 and root(-3/2)Also, find zeroes
1. 1 answer
2. 341 views
5 men and 2 women can do a piece of work in 9 days, whereas 11 men and 5 women can do the same work in 4 days. To complete the
1. 1 answer
2. 233 views
difference between consecutive multiples and alternative multiplesI THINK BOTH ARE SAME???? AM I RIGHT OR WRONG?
1. 2 answers
2. 307 views
find the perpendicular distance of point (4,2,-1) from the plane through the point (3,7,-2) (1,-1, 2) and (-2, 1, 3)
1. 1 answer
2. 200 views
If x^2 = -5/2Then x = + - iota(root(5/2)) Am I right or wrong
1. 1 answer
2. 224 views
if alpha, beta and gamma are zeroes of 4x^3-32x^2+25x+21=0, then value of[alpha^3/{(alpha-beta)(alpha-gamma)}] +
1. 1 answer
2. 436 views
If alpha and beta are distinct roots of equation x²-6x-5=0then the value of [(alpha^10-beta^10)/(alpha^8-beta^8)] -
1. 1 answer
2. 400 views
alpha and ßeta are roots of x² + ax+b=0 andk =(1-alpha) (1-beta)+(2-alpha) (2-beta)+(3-alpha) (3-beta) +
1. 1 answer
2. 259 views
Find the value of (0.021)^ (1/5) using Log Tables.
1. 5 answers
2. 272 views
I am not able to understand the previous answer for thisPlease help The number is successively divided by 5, 7, 11 give
1. 1 answer
2. 239 views
A person decides to put aside Rs 100 at the end of every month in a money market fund that pays 8% compounded monthly. After
1. 5 answers
2. 394 views
What is the tens place digit of (12)^(42)
1. 2 answers
2. 328 views
When a number is successively divided by 7, 8 remainders are 5, 4.If steps of division are reversed, find the remainders.
1. 1 answer
2. 315 views
The number is successively divided by 5, 7, 11 give remainder as 3, 1, 10.If last quotient is 114. Find the numbers.
1. 3 answers
2. 464 views
When a number is successively divided by 5, 7, 11 the remainder are 3, 1, 10 respectively.When this is divided by 5 x 7 x 11 or
1. 1 answer
2. 313 views
If SQUARE is coded as 9E7R1A, RECTANGLE is coded as 8E5L3G0N1, then how will you code QUADRILATERAL?
1. 3 answers
2. 1,477 views
k is the greatest number that divides 2996, 4752 and 7825 leaving the remainder in each case equalI didn't understand as the
1. 2 answers
2. 1,052 views
The Science Museum charges $14 for adult admission and $11 for each child. The total bill for 68 people from a school field trip
1. 1 answer
2. 456 views
k is the greatest number that divides 2996, 4752 and 7825 leaving the remainder in each case equal. Find the product of the
1. 3 answers
2. 1,256 views
a line makes angles alpha, beta,gamma with x axis, y-axis and z-axis.if direction cosines are +-(1/root3),
1. 1 answer
2. 334 views
number of integers in the range of function3sinx + 2 (root 3) cosx+3
1. 3 answers
2. 221 views
Use your logarithm table to findsin300degree
1. 1 answer
2. 183 views
A ,B and C can do a piece of work in 10, 15 and 30 days, respectively. If B and C both assist A on every third day, then in how
1. 2 answers
2. 217 views
Here is information on the results of the 90 members of an athletics team at a competition.If an athlete is chosen at random,
1. 0 answers
2. 271 views
A game has 6 certain number of blue, red or black tokens. If you draw a token at random, the odds of getting a blue token are
1. 3 answers
2. 356 views
solve for x where x is a real no.|x| + |x+1| + |x+3| = 4 First case, x + x +1+x+3=4 3x+4=4 x=0 Second case -(x+x+1+x+3)=4
1. 1 answer
2. 237 views
THIS ONE REALLY DONT KNOWFor what value(s) of a the expression y = ax² +10x + 25 is never positive for all x belongs to R.
1. 2 answers
2. 199 views
Seema went to a shop to purchase a child's game along with parent. She elected a child's game which has 9 circles of which 3 are
1. 3 answers
2. 256 views
A and B throw a pair of dice alternately. A wins the game if he gets a total of 7 and B wins the game if he gets a total of 10.
1. 2 answers
2. 276 views
Arjun randonly draws a highlighter from a pencil case with two One are yellow highlighters, three blue highlighters, green
1. 3 answers
2. 287 views
In a game of skill, the probability of failure is estimated at 84%. What are the odds of success in this game ?
1. 3 answers
2. 213 views
Obtain all zeros of the polynomial2y^3-4y-y^2+2, if two of its zeroes are 2 and - 2
1. 1 answer
2. 274 views
If a and b are two positive co-prime integers such that a = 12b thenHCF (a, 12) =
1. 1 answer
2. 1,150 views
If f(x) = 2sin|x|+ a(e^3|x|) is differentiable at x = 0, then value of a is ??
1. 1 answer
2. 260 views
ACD is a right triangle and line segment BE is parallel to the line segment CD. Where B is a point on side AC and E is a point
1. 2 answers
2. 535 views
-root(2.25) is rational or irrational???
1. 2 answers
2. 351 views
Root3.61 is rational or irrational number??
1. 1 answer
2. 240 views
Product of rational and irrational number isFor example 2root125???
1. 2 answers
2. 228 views
find the number of solutions of following equation in [0, 2pi]sinx + root3 cosx = 1.5
1. 1 answer
2. 197 views
Find general solution ofsin^3x - cos^3x = 1 + sinx cosx Urgent
1. 2 answers
2. 221 views
Find a and b(root2.3 - root0.69)/(root2.3 + root0.69) = a + b root30
1. 2 answers
2. 330 views
Find general solution ofsin(pi-6x)+root 3 sin((pi/2) +6x))=root3
1. 1 answer
2. 255 views
Find the rationalising factor of5^(1/3) + 5^(-1/3)
1. 2 answers
2. 298 views
if n is a positive integer greater than 2 and p and q are prime numbers greater than 6 then what is common factor of n^2-n and
1. 3 answers
2. 434 views
equation x+3y-10=0 is a straight line which is perpendicular to the line segment joining the points A(0,0) and B(3,9), divides
1. 1 answer
2. 345 views
If matrix A = [ 0 1 , -1 1]find the value of p and q such that (pl+qA)^2 =A.
1. 3 answers
2. 1,408 views
Suppose the equation x+3y-10=0 represents a straight line which is perpendicular to the line segment joining the points A(0,0)
1. 2 answers
2. 1,532 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
1. 2 answers
2. 2,194 views
A horse can eat 3a + 2b bags of corn in a week. In how many weeks will6a² + 13ab + 6b² bags be consumed by him?
1. 1 answer
2. 226 views
A bookseller has 56 English books and 72 Gujarati books. He wants to stack them in such a way that all the books are stored
1. 1 answer
2. 435 views
A mobile company offers two plans. The plan A costs Rs.300 and offers 1100 free minutes per month with a charge of 15 paise per
1. 2 answers
2. 1,315 views
Plse helpI am asking again During rainy season, huge inflow of water takes place into a reservoir. Measures are taken to clear
1. 1 answer
2. 729 views
During rainy season, huge inflow of water takes place into a reservoir. Measures are taken to clear the reservoir while water
1. 3 answers
2. 952 views
Identify the sampling method. Then identify any bias in each method. And show all workA maintenance crew wants to estimate how
1. 3 answers
2. 405 views
In the figure, PQRS is a square of side length 12 and XPQ is a triangle constructed on QR outwardly such that XQ = XR. If the
1. 1 answer
2. 412 views
An army of soldiers of 23750 soldiers had to stand in equal rows and coloums . Is it possible to do so? If not how many more
1. 6 answers
2. 350 views
If x^2/(a^2+b^2-c^2) = y^2/(b^2+c^2-a^2)=z^2/(c^2+a^2-b^2) then show that each ratio is equal to(x^2+y^2+z^2)/(a^2+b^2+c^2)
1. 0 answers
2. 164 views
John planned a birthday party for his younger sister with his friends. They decided to make some birthday caps by themselves and
1. 1 answer
2. 1,474 views
The tent is in the shape of a cylinder surmounted by a conical top. If the height and diameter of cylindrical part are 9 m and
1. 1 answer
2. 734 views
PQ and PR are tangents to the circle centred at O. If OPR = 45°, then prove that ORPQ is a square.
1. 3 answers
2. 3,669 views
A hollow cylinder has solid hemisphere in one end (bottom) and on the other end (top), it is open. The cylinder is filled with
1. 2 answers
2. 443 views
X and Y together can do a piece of work in 10 days . X is 40% more efficient than Y. X alone will complete 35% of the same work
1. 1 answer
2. 450 views
P and Q completed a work together and were paid rs 1,080 and rs. 1,440, respectively. If P can do the entire work in 20 days,
1. 5 answers
2. 2,001 views
The sum of all 83 terms of an A.P. is 22327 . If the first term of the A.P. is 23 , then what is its last term ?
1. 1 answer
2. 217 views
James is playing basketball. He is standing 1m away from the basket net. He throws the basketball 2m at an angle of 45 degrees
1. 1 answer
2. 356 views
If O be the origin and the coordinates ofP be (1,2,-3), then find the vector equation of the plane passing through P and
1. 1 answer
2. 264 views
The scalar product of the vector - i- j - k with a unit vector along the sum of vectors i + 2j + k and λi+ j - k is equal to
1. 3 answers
2. 278 views
find the absolute maximum and absolute minimum values of the functionf(x)=x . root(32-x²) on [-4,4]
1. 2 answers
2. 293 views
1/5 part of a container was full of water. When 5/4 litre of water is poured, 1/4 part of the container was filled up now. Find
1. 1 answer
2. 310 views
A point whose abscissa is negative and ordinate is positive will lie in(a) I quadrant (b)ll quadrant (c) x- axis (d) y - axis
1. 1 answer
2. 276 views
A shoe maker company produces a specific model of shoes having 15 months average lifetime. One of the employees in their R & D
1. 1 answer
2. 1,246 views
from the top of a cliff which is 200 m above the sea level the angles of elevation of 45 degree and 30 degree find the distance
1. 1 answer
2. 229 views
A man drivers a car and covers a distance of 120 km in 2 hours . How far will he travel in 2hours if the speed is reduced by
1. 1 answer
2. 242 views
If x + (1/x)=6Find x - (1/x)
1. 1 answer
2. 210 views
The numerator of a fraction is 3 less than its denominator . If 1 is added to the denominator . The fraction is decreased by
1. 1 answer
2. 299 views
If n term of an AP is (3n+7), then find the sum of first 20 terms.
1. 1 answer
2. 303 views
write three fractions that are equivalent to 6 using the denominator 1 2 and 3
1. 2 answers
2. 245 views
(1+root2)/2 is a rational or irrational number???
1. 1 answer
2. 226 views
If the zeros of the polynomialx^3 − 3x^2 + x + 1 are a −d, a and a + d, then (a + d)/2 is (a) a natural number (b) an
1. 2 answers
2. 283 views
square root of 164 in radical form
1. 1 answer
2. 225 views
Find a quadratic polynomial whose zeroes are (2Alpha + 1) and (2Beta+1) if Alpha and Beta are the zeroes of the polynomial
1. 3 answers
2. 983 views

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