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$x-\frac{1}{x}=3$ then $x^3-\frac{1}{x^3}=$

Which of the following product is the largest ?

Which of the following is true ?

The units digit of $7^{2019}$ is

If 1

The sum of a two digit number and the number formed by reversing the digits is always a multiple of

The factors of x³-4x²+x+6 is :

If (m-n)²=64 and mn=180, then (m+n)² is

Ahild asked a flock of birds,

How many are you ?

A bird replied.

We and us again,

With half of us

And half of that

With one more,

Would make hundred

How many birds were there ?

Solution of the linear inequalities 2x+5>1 and 3x-4≤5 is :

Which of the following is a factor of the expression $5^{2n}-2^{3n}$ ,where n is a natural number ?

Number equivalent to the roman number CDLXXXIX is :

Equation of a line passing through (2,3) which is perpendicular to the line 5x+2y-8=0 is :

Which of the following points lie on the line joining the points (2,1) and (4,-1) ?

Solve 3x + 5 = 11.

What is the maximum area of the rectangle formed by bending a wire of length 24cm ?

The ratio of the length to the breadth of a rectangle is 7:5 the length is 18 meters more than the breadth. What is the breadth of the rectangle ?

If the average of two numbers A and B is 10. The average of two numbers B and C is 12. The average of numbers A and C is 11. Then what number is A ?

If the difference of two natural numbers is 3 and their sum is 27, then the product of the numbers is

If x-y= 5 , x² - y² = 55 , then what numbers are x and y ?

The sum of four times a number and 3 times of another number is 43. The difference of two times the second number from three times of the first number is 11. Find the numbers.

The summ of two numbers is 26 and their difference is 2. Which are the numbers ?

In a class there are 4 more girls than boys. One day 8 boys were absent, the number of girls just twice the number of boys. Then find the number of boys in the class.

The value of k for which kx+3y-k+3=0 and 12x+ky=k have infinitely many solutions is :

The value of k for which the points (2,-3),(4,3) and (5,k are on the same straight line is :

Equation of the line passing through the points (1,-1) and (3,5) :

Which among the following is a point on the line joining the points (4,3) and (7,9) ?

Equation of the line passing through the point (-2,3) with slope -4 is :

Which of the following is a point on the line with slope 2 and passing through the point (3,2) ?

Line through the points (-2,6) and (4,8) is perpendicular to the line through the points (8,12) and (x,24). Find the value of x.

The perpendicular bisector of the line segment joining the points A(1,1) and B(3,5) cuts the x-axis at :

Find the middle term in the expansion of $[\frac{x}{3}+9y]^{10}$

Find the root of the equation $3x^2-2\sqrt6x+2=0$ .

How many terms of the arithmetic sequence 5, 7, 9, ... must be added to get 140 ?

The square of a term in the arithmetic sequence 2, 5, 8 , ........ is 2500. What is its position ?

A square ground has 2 meter wide path all around it. The total area of the ground and the path is 1225 square meters. What is the area of the ground alone ?

What is the difference between the lines 2x+y=2 and 6x+3y=-6 ?

If the straight line , 2x-5y +4 =0 is perpendicular to the line passing through the point (1,5) and (a,3), then a equals

Find the slope of the line joining the points (4,4) and (6,8) ?

The distance between two points (-6,y) and (18,6) is 26 units.Find the value of y

Find the values of k such that the equations 2x+3y+11=0 and 6x+ky+33=0 represent coincident lines.

If points (a,0),(0,b)and(1,1) are collinear, then $(a^{-1} + b^{-1})$ will be equal to :

Find the radius of the circle x²+y²-4x-8y-45=0

The fraction to be added to $y^2-10y/11 +11/121$ make it a perfect square is:

If $a + 1/a =2$ what is $a^{2024}+\frac{1}{a^{2024}}=?$

Which among the following quadratic equation has no real solution?

If m + 1/m = 4 then what is m³ + 1/m³

Find the middle term in the expansion of $[3-\frac{x^3}{6}]^7$

Find forth term in the expansion of (x-2y)¹²

Find the coefficient of x⁵ in (x+3)⁸