Mandal maths solutions

Three girls Rashma, Salma and Mandip are playing a game by standing on a circle of radius 5 m drawn

If two equal chords of a circle intersect within the circle , prove that the segment of one chord

A father age is three times the sum of the ages of his two children.After five years his age will

Find the greatest number that will be divide 43, 91 and 183 , so as to leave the same remainder in

If y =[x+√x^2+1]^m, then show that( x^2+1)d^2y/dx^2 +xdy/dx-m^2y=0

Balancing Chemical Equations

Supercells class 6, chapter-3

Question based on supercells.

Balancing of chemical Equations

In the given figure ABC is a right angle triangle and right angle at B, such that angle BCA = twice

A circle touches the circle side DF of triangle EDH at H and touches ED and EF produced at K and M

X is a point in the interior of a square ABCD. AXYZ is also a square . If DY=3 cm and AZ= 2 cm.

ABCD is a parallelogram and E is the mid point of side BC . If DE and AB when produced meet at F,

AB is a triangle.D is a point on AB such that AD=1/4 AB and E is a point on AC such that AE= 1/4 AC

It is given that RT = TS , angle 1 equal to 2 angle 2 and angle 4 equal to 2 angle 3. Prove that

ABC is a triangle in which angle B is equal 2 angle C,D is a point on BC such that AB bisect angle A

Triangle ABC and triangle DBC are two isosceles triangles on the same base BC and vertices A and D

The mean of 20 numbers is zero of them, at the most how many may be greater than Zero?

In a frequency distribution table with 12 classes, the class width is 2.5 and the lowest class

The distribution X and Y with total numbers of observation 36 and 54 and mean 4 and 3 respectively

The diagonals of a cyclic quadrilateral are at right angles. Prove that the perpendicular from the

Let the vertex of an angle ABC be located outside a circle and let the side of the angles intersect

Two circles with centre o and o' intersect at two points a and b . A line PQ is drawn parallel to

An equilateral triangle of side 9 cm is inscribed in a circle . find the radius of the circle.

The acute angle between the medians drawn from the acute angles of right angled isosceles triangle

The distance between the orotocentre and circumcentre of the triangle with vertices (1,2) (2,1)

Find the least positive value of n, if[1+i/1-i]^n =1

|z1+z2|^2=|z1|^2+|z2|^2+2Re (Z1Z2)

Prove that the sum of all the angles of a quadrilateral is 360 degree.

If O is a point within a quadrilateral ABCD, show that OA+OB+OC+OD is greater than AC+BD