8th Mathematics Important 5 Mark Question Paper

St. Britto Hr. Sec. School - Madurai

8th Mathematics Important 5 Mark Question Paper-Aug 2020

Time : 2.00 Hours

Part - A

Generic 5 - Answer All Question

Simplify (3x-2)(x-1)(3x+5).

Find the area of the shaded part

Rearrange suitably and apply the properties to simplify \(\left( \frac { 6 }{ 7 } \times \frac { 2 }{ 3 } \right) +\left( \frac { 9 }{ 11 } +\frac { 2 }{ 3 } \right) +\left( \frac { 2 }{ 3 } \times \frac { 4 }{ 9 } \right) \)

If m - n = 16 and m² + n² = 400 find mn.

Find four rational numbers between \(\frac{2}{3}\) and \(\frac{4}{5}\)

Simplify \(=\frac { -12 }{ 10 } +\left( \frac { -90 }{ 15 } \right) -\left( \frac { 3 }{ 8 } \right) \)

Factorize
(p + q)² - (a - b)² + P + q - a + b

If a + b = 25, a²+ b² = 225 find ab

Find the area enclosed.

Factorize
100 (x +y)² - 81 (a + b)²

Factorize
x¹⁶-y¹⁶+x⁸+y⁸

Simplify \(\frac { 5 }{ 12 } +\frac { -5 }{ 18 } -\frac { 7 }{ 24 } \)

Factorize
9-a⁶+2a³-b⁶

Find the area of the shaded region.

Construct a quadrilateral PQRS with PQ=QR=5 cm, ∠QPR=50^o, ∠PRS = 40^o and ∠RPS = 80^o Also find its area.

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8th Mathematics Important 5 Mark Question Paper

St. Britto Hr. Sec. School - Madurai

8th Mathematics Important 5 Mark Question Paper-Aug 2020

Part - A

Generic 5 - Answer All Question

Simplify (3x-2)(x-1)(3x+5).

Find the area of the shaded part

Rearrange suitably and apply the properties to simplify \(\left( \frac { 6 }{ 7 } \times \frac { 2 }{ 3 } \right) +\left( \frac { 9 }{ 11 } +\frac { 2 }{ 3 } \right) +\left( \frac { 2 }{ 3 } \times \frac { 4 }{ 9 } \right) \)

If m - n = 16 and m2 + n2 = 400 find mn.

Find four rational numbers between \(\frac{2}{3}\) and \(\frac{4}{5}\)

Simplify \(=\frac { -12 }{ 10 } +\left( \frac { -90 }{ 15 } \right) -\left( \frac { 3 }{ 8 } \right) \)

Factorize (p + q)2 - (a - b)2 + P + q - a + b

If a + b = 25, a2+ b2 = 225 find ab

Find the area enclosed.

Factorize 100 (x +y)2 - 81 (a + b)2

Factorize x16-y16+x8+y8

Simplify \(\frac { 5 }{ 12 } +\frac { -5 }{ 18 } -\frac { 7 }{ 24 } \)

Factorize 9-a6+2a3-b6

Find the area of the shaded region.

Construct a quadrilateral PQRS with PQ=QR=5 cm, ∠QPR=50o, ∠PRS = 40o and ∠RPS = 80o Also find its area.

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If m - n = 16 and m² + n² = 400 find mn.

Factorize
(p + q)² - (a - b)² + P + q - a + b

If a + b = 25, a²+ b² = 225 find ab

Factorize
100 (x +y)² - 81 (a + b)²

Factorize
x¹⁶-y¹⁶+x⁸+y⁸

Factorize
9-a⁶+2a³-b⁶

Construct a quadrilateral PQRS with PQ=QR=5 cm, ∠QPR=50^o, ∠PRS = 40^o and ∠RPS = 80^o Also find its area.