Class 10 Maths

For what value of k, is the polynomial $f(x) = 3x^4 - 9x^3 + x^2 + 15x + k$
Find the mean marks of the students
A solid is in the form of a cylinder with hemispherical ends
ABCD is a square with side $2\sqrt{2}$ cm and inscribed in a circle
A square OABC is inscribed in a quadrant OPBQ. If OA = 15 cm
Evaluate: (3 sin 43°/cos 47°)^2
PQ and RS are two parallel tangents to a circle with centre O
Diagonals of a trapezium PQRS intersect each other at the point O
Using Euclid’s Algorithm, find the HCF of 2048 and 960
Prove that 2 + 5 $\sqrt{3}$ is an irrational number
Find the mode of the following frequency distribution
Sumit is 3 times as old as his son
The larger of two supplementary angles exceeds the smaller by 18°
Find the value(s) of k so that the pair of equations x + 2y = 5 and 3x + ky + 15 = 0
The probability of selecting a blue marble at random from a jar that contains
Find the area of a triangle whose vertices are given as (1, -1) (-4, 6) and (-3, -5)
Find a relation between x and y if the points A(x, y), B(-4, 6) and C(-2, 3) are collinear
Write the smallest number which is divisible by both 306 and 657
ABC is an isosceles triangle right angled at C with AC = 4 cm
Write the coordinates of a point P on x-axis which is equidistant
If sin A = $\frac{3}{4}$ , calculate sec A
$\sin^2 60^{\circ} + 2 \tan 45^{\circ} – \cos^2 30^{\circ} $
$ \frac{1}{a},\frac{3 - a}{3a},\frac{3 - 2a}{3a} ... (a \ne 0)$
Find the nature of roots of the quadratic equation $2x^2 – 4x + 3 = 0$
If HCF (336, 54) = 6, find LCM (336, 54)