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

Simplify: (2.75 × 10⁷) + (1.23 × 10⁸)

Simplify: (1.598 × 10¹⁷) – (4.58 × 10¹⁵)

Simplify: (1.02 × 10¹⁰) × (1.20 × 10⁻³)

Simplify: (8.41 × 10⁴) ÷ (4.3 × 10⁵)

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of a + b + c

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of `1/"a" + 1/"b" + 1/"c"`

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of a² + b² + c² 

If (x + a)(x + b)(x + c) = x³ + 14x² + 59x + 70, find the value of `"a"/"bc" + "b"/"ac" + "c"/"ab"`

Find the volume of the cuboid whose dimensions are (x + 2), (x – 1) and (x – 3)

Expand: `[x + 1/y]^3`

Find 27a³ + 64b³, if 3a + 4b = 10 and ab = 2

If `"a" + 1/"a"` = 6, then find the value of `"a"^3 + 1/"a"^3`

If `x^2 + 1/x^2` = 23, then find the value of `x + 1/x` and `x^3 + 1/x^3`

ABCD is a rectangle whose diagonals AC and BD intersect at O. If ∠OAB = 46°, find ∠OBC

Show that the bisectors of angles of a parallelogram form a rectangle

The interior angle made by the side in a parallelogram is 90° then the parallelogram is a

Expand: (3a – 4b)³ 

Find x³ – y³, if x – y = 5 and xy = 14.

If `(y - 1/y)^3` = 27, then find the value of `y^3 - 1/y^3`

If a triangle and a parallelogram lie on the same base and between the same parallels, then prove that the area of the triangle is equal to half of the area of parallelogram