SSLC (English Medium) Class 8 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Evaluate: `sqrt(286225)` and use it to compute `sqrt(2862.25) + sqrt(28.6225)`

Factorise the following expressions using (a + b)³ = a³ + 3a²b + 3ab² + b³ identity 

64x³ + 144x² + 108x + 27

Factorise the following expressions using (a + b)³ = a³ + 3a²b + 3ab² + b³ identity 

27p³ + 54p²q + 36pq² + 8q³

One factor of x³ + y³ is

Construct the following parallelograms with the given measurements and find their area.

GAIN, GA = 7.5 cm, GI = 9 cm and ∠GAI = 100°

Find the square root of the following decimal numbers and fractions

2.89

Find the square root of the following decimal numbers and fractions

67.24

Find the square root of the following decimal numbers and fractions

2.0164

Find the square root of the following decimal numbers and fractions

`144/225`

Find the square root of the following decimal numbers and fractions

`7 18/49`

Factorise the following expressions using (a – b)³ = a³ – 3a²b + 3ab² – b³ identity

y³ – 18y² + 108y – 216

Factorise the following expressions using (a – b)³ = a³ – 3a²b + 3ab² – b³ identity

8m³ – 60m²n + 150mn² – 125n³

The factors of 1 – m³ 

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

FACE, FA = 6 cm and FC = 8 cm

`sqrt(48)` is approximately equal to ______

Identify the errors and correct them

7y² – y² + 3y² = 10y² 

Identify the errors and correct them

6xy + 3xy = 9x²y² 

Identify the errors and correct them

m(4m – 3) = 4m² – 3

Identify the errors and correct them

(4n)² – 2n + 3 = 4n² – 2n + 3

Identify the errors and correct them

(x – 2)(x + 3) = x² – 6