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Kaur
Questions and answers by
Kaur
, page 4
Questions (362)
A horse can eat 3a + 2b bags of corn in a week. In how many weeks will
6a² + 13ab + 6b² bags be consumed by him?
1 answer
184 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)
4 answers
1,450 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 answer
281 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
4 answers
347 views
Find the rationalising factor of
5^(1/3) + 5^(-1/3)
2 answers
259 views
Find general solution of
sin(pi-6x)+root 3 sin((pi/2) +6x))=root3
3 answers
201 views
Find a and b
(root2.3 - root0.69)/(root2.3 + root0.69) = a + b root30
4 answers
259 views
Find general solution of
sin^3x - cos^3x = 1 + sinx cosx Urgent
2 answers
179 views
find the number of solutions of following equation in [0, 2pi]
sinx + root3 cosx = 1.5
1 answer
160 views
Product of rational and irrational number is
For example 2root125???
2 answers
194 views
Root3.61 is rational or irrational number??
1 answer
193 views
-root(2.25) is rational or irrational???
3 answers
299 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
4 answers
457 views
If f(x) = 2sin|x|+ a(e^3|x|) is differentiable at x = 0, then value of a is ??
1 answer
218 views
Obtain all zeros of the polynomial
2y^3-4y-y^2+2, if two of its zeroes are 2 and - 2
1 answer
227 views
In a game of skill, the probability of failure is estimated at 84%. What are the odds of success in this game ?
4 answers
180 views
Arjun randonly draws a highlighter from a pencil case with two One are yellow highlighters, three blue highlighters, green
4 answers
235 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.
2 answers
242 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
4 answers
207 views
THIS ONE REALLY DONT KNOW
For what value(s) of a the expression y = ax² +10x + 25 is never positive for all x belongs to R.
2 answers
166 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 answer
194 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
4 answers
313 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 answer
210 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
2 answers
190 views
Use your logarithm table to find
sin300degree
1 answer
146 views
number of integers in the range of function
3sinx + 2 (root 3) cosx+3
4 answers
178 views
a line makes angles alpha, beta,gamma with x axis, y-axis and z-axis.
if direction cosines are +-(1/root3),
1 answer
278 views
k is the greatest number that divides 2996, 4752 and 7825 leaving the remainder in each case equal. Find the product of the
4 answers
1,191 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
3 answers
370 views
k is the greatest number that divides 2996, 4752 and 7825 leaving the remainder in each case equal
I didn't understand as the
3 answers
1,002 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 answer
262 views
The number is successively divided by 5, 7, 11 give remainder as 3, 1, 10.
If last quotient is 114. Find the numbers.
4 answers
384 views
When a number is successively divided by 7, 8 remainders are 5, 4.
If steps of division are reversed, find the remainders.
1 answer
260 views
What is the tens place digit of (12)^(42)
3 answers
290 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
6 answers
342 views
I am not able to understand the previous answer for this
Please help The number is successively divided by 5, 7, 11 give
1 answer
202 views
Find the value of (0.021)^ (1/5) using Log Tables.
6 answers
227 views
alpha and ßeta are roots of x² + ax+b=0 and
k =(1-alpha) (1-beta)+(2-alpha) (2-beta)+(3-alpha) (3-beta) +
1 answer
210 views
If alpha and beta are distinct roots of equation x²-6x-5=0
then the value of [(alpha^10-beta^10)/(alpha^8-beta^8)] -
1 answer
335 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)}] +
4 answers
380 views
If x^2 = -5/2
Then x = + - iota(root(5/2)) Am I right or wrong
1 answer
178 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 answer
163 views
difference between consecutive multiples and alternative multiples
I THINK BOTH ARE SAME???? AM I RIGHT OR WRONG?
2 answers
253 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 answer
185 views
Find quadratic polynomial if sum and product of zeros are root2 and root(-3/2)
Also, find zeroes
1 answer
289 views
Can random variable(X) and probability of a random variable p(X) both be negative.
2 answers
168 views
Solve
Root(18+2root65) + root(36+2 root15)=?
1 answer
160 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 answer
152 views
for what values of k roots of
2x^2 + 4k x + 128 = 0 are imaginary
2 answers
173 views
Find the equation of the plane through the points (1, -1, 2) and (2, -2, 2) and is perpendicular to the plane
6x - 2y + 2z = 9. I
1 answer
207 views
Find the missing term
10, 4, 7,___, 8, 15, 32, 12, 23, 43
1 answer
222 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
5 answers
425 views
Roll two die simultaneously 20 times. Note down the the outcomes on both the die each time on your register. Now add the
2 answers
216 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
3 answers
338 views
Which of the following decimal expansion cannot be a rational number
A) 0.697 B) 0.45 (bar in 5) C) 0.3789 (bar 3789) D)
1 answer
153 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
628 views
Find the effective rate which is equivalent to nominal rate of 10% p.a. compounded monthly.
5 answers
264 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
7 answers
247 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
2 answers
200 views
Solution of
2(sin^2theta - cos^2theta)=7sintheta costheta
1 answer
194 views
Find value of
(sin^2(2x)/cos^2(x)) + (sin^2(4x)/cos^2(2x)) + (sin^2(x)/cos^2(4x))
1 answer
171 views
solution of
(sin^4theta - cos^24theta)=(7/2)sintheta costheta
1 answer
182 views
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