If A = {−2,−1, 0,1,2} and f : A® B is an onto function defined by f (x) = x^2 +x +1 then find B.

{(a,3),(b,3),(c,3),(d,3)} is a/an ……. function.

If f(x)=2x+1 and g(x)=x^2-2, then, g○f =

If {(a, 8),(6,b)} represents an identity function, then the value of a and b are respectively

If the ordered pairs (a +2, 4) and (5,2a +b) are equal then (a,b) is

The next term of the sequence ¼,2/9,3/16 is

The 13th term of an A.P. is 3 and the sum of first 13 terms is 234. Find the common difference

The next term of ½,1,2,4 is

If 2x-3y=6 and x+y=1, then the values of x and y are

If a matrix has one row and number of columns is said to be

A diagonal matrix in which all the leading diagonal elements are equal is called a

The matrix which is obtained by interchanging the elements in rows and columns of the given matrix A is called

y^2+1/y^2 is not equal to

Graph of a linear equation is a ……..

If number of columns and rows are not equal in a matrix then it is said to be a

Transpose of a column matrix is

….. is the longest side of the right angled triangle.

A tangent is perpendicular to the radius at the

How many tangents can be drawn to the circle from an exterior point?

If the area of triangle formed by the vertices A(-1,2), B(k,-2) and C(7,4) is 22 sq.units, find the value of k.

The equation of the straight line with slope m and passing through the origin is

The point of intersection of 3x-y=4 and x+y=8 is

The curved surface area of a right circular cone of height 15 cm and base diameter 16 cm is

The height of a right circular cone whose radius is 5 cm and slant height is 13 cm will be ..... cm

If the radius of the base of cone is tripled and the height is doubled then the volume is

The total surface area of a hemisphere is how much times the square of its radius.

Which of the following is not a measure of dispersion?