SSLC (English Medium) कक्षा ८ - Tamil Nadu Board of Secondary Education Question Bank Solutions

The rational number ________ does not have a reciprocal

The rational number which is its own reciprocal is –1

Simplify : `[11/8 xx ((-6)/33)] + [1/3 + (3/5 ÷ 9/20)] - [4/7 xx (-7)/5]`

Simplify : `[4/3 ÷ (8/(-7))] - [3/4 xx 4/3] + [4/3 xx ((-1)/4)]`

A student had multiplied a number by `4/3` instead of dividing it by `4/3` and got 70 more than the correct answer. Find the number

Expand (3m + 5)²

`(("a" + "b")("a"^3 - "b"^3))/(("a"^2 - "b"^2))` = ___________

Factorise the following expressions

x² + 14x + 49

Factors of 9x² + 6xy are

If I is the incentre of ∆XYZ, ∠IYZ = 30° and ∠IZY = 40°, find ∠YXZ

If ∆GUT is isosceles and right angled, then ∠TUG is ________

Expand (5p – 1)²

Factorise the following expressions

y² – 10y + 25

Factors of 4 – m² are

Construct the following quadrilaterals with the given measurements and also find their area.

ABCD, AB = 5 cm, BC = 4.5 cm, CD = 3.8 cm, DA = 4.4 cm and AC = 6.2 cm

Verify the closure property for addition and multiplication for the rational numbers `(-5)/7` and `8/9`

Closure property is not true for division of rational numbers because of the number

Give an example and verify the following statement.

The collection of all non-zero rational numbers is closed under division

Expand 4p² – 25q²

Factorise the following expressions

m² + m – 72