Class 10 Maths

The first term of an A.P. is 5, the last term is 45 and the sum of all its terms is 400
If ad $\ne$ bc, then prove that the equation
If the distances of P(x, y) from A(5, 1) and B(-1, 5) are equal
A line intersects the y-axis and x-axis at the points P and Q respectively
A circle touches all the four sides of a quadrilateral ABCD. Prove that AB + CD = BC + DA
Prove that the tangents drawn at the end points of a chord of a circle make equal angles with the chord
Which term of the progression $20, 19 \frac{1}{4},18\frac{1}{2} ,17\frac{3}{4}$... is the first negative term
Find the value of p, for which one root of the quadratic equation $px^2 - 14x + 8 = 0$ is 6 times the other
The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18
If a tower 30 m high, casts a shadow $10\sqrt{3}$ m long on the ground
What is the common difference of an A.P
In a class test, the sum of Arun’s marks in Hindi and English is 30
Which term of the Arithmetic Progression -7, -12, -17, -22, ... will be -82 ?
Prove that:  $\frac{\sin\theta} {\cot\theta +\csc\theta}$ = 2 + $\frac{\sin\theta}{\cot\theta - \csc\theta}$
Prove that: $\frac{\tan\theta} {1- \cot\theta}$ + $\frac{\cot\theta}{1-\tan\theta}$ = $1 + \sec\theta \csc\theta$
Change the following data into less than type distribution
A solid iron pole consists of a cylinder of height 220 cm and base diameter 24 cm
Amit, standing on a horizontal plane, finds a bird flying at a distance of 200 m from him
Write all the values of p for which the quadratic equation $x^2 + px + 16 = 0$
Find the zeroes of the quadratic polynomial $7y^2 - \frac{11}{3}y - \frac{2}{3}$