SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Add the following polynomials and find the degree of the resultant polynomial

h(x) = 7x³ – 6x + 1, f(x) = 7x² + 17x – 9

Add the following polynomials and find the degree of the resultant polynomial

f(x) = 16x⁴ – 5x² + 9, g(x) = −6x³ + 7x – 15

What should be added to 2x³ + 6x² – 5x + 8 to get 3x³ – 2x² + 6x + 15?

The cost of a chocolate is Rs. (x + y) and Amir bought (x + y) chocolates. Find the total amount paid by him in terms of x and y. If x = 10, y = 5 find the amount paid by him

Find the centroid of the triangle whose vertices are (2, −4), (−3, −7) and (7, 2)

Find the centroid of the triangle whose vertices are (−5, −5), (1, −4) and (−4, −2)

If the centroid of a triangle is at (4, −2) and two of its vertices are (3, −2) and (5, 2) then find the third vertex of the triangle

Find the length of median through A of a triangle whose vertices are A(−1, 3), B(1, −1) and C(5, 1)

The vertices of a triangle are (1, 2), (h, −3) and (−4, k). If the centroid of the triangle is at the point (5, −1) then find the value of `sqrt(("h" + "k")^2 + ("h" + 3"k")^2`

Orthocentre and centroid of a triangle are A(−3, 5) and B(3, 3) respectively. If C is the circumcentre and AC is the diameter of this circle, then find the radius of the circle

ABC is a triangle whose vertices are A(3, 4), B(−2, −1) and C(5, 3). If G is the centroid and BDCG is a parallelogram then find the coordinates of the vertex D.

If `(3/2, 5), (7, (-9)/2)` and `(13/2, (-13)/2)` are mid-points of the sides of a triangle, then find the centroid of the triangle

Find the volume of a cube whose side is 5 cm

Find the volume of a cube whose side is 3.5 m

Find the volume of a cube whose side is 21 cm

A cubical milk tank can hold 125000 litres of milk. Find the length of its side in metres

The capacity of a water tank of dimensions 10 m × 5 m × 1.5 m is

Represent the following irrational number on the number line

`sqrt(3)`

Represent the following irrational number on the number line

`sqrt(4.7)`

Represent the following irrational number on the number line

`sqrt(6.5)`