SSLC (English Medium) इयत्ता ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

The dimensions of a brick are 24 cm × 12 cm × 8 cm. How many such bricks will be required to build a wall of 20 m length, 48 cm breadth and 6 m height?

The volume of a container is 1440 m³. The length and breadth of the container are 15 m and 8 m respectively. Find its height

A metallic cube with side 15 cm is melted and formed into a cuboid. If the length and height of the cuboid is 25 cm and 9 cm respectively then find the breadth of the cuboid

The volume of a cuboid is 660 cm³ and the area of the base is 33 cm². Its height is

The number of bricks each measuring 50 cm × 30 cm × 20 cm that will be required to build a wall whose dimensions are 5 m × 3 m × 2 m is

Without actual division, find the following rational numbers have terminating decimal expansion

`4 9/35`

Without actual division, find the following rational numbers have terminating decimal expansion

`219/2200`

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

p(x) = 6x² – 7x + 2, q(x) = 6x³ – 7x + 15

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