CBSE Class 8 Maths Factorisation Quiz 2

1. The common factor of 2a²b⁴c², 8a⁴b³c⁴ and 6a³b⁴c² is

A 2a²b³c² B 6a²b³c² C 8a²b³c² D a⁴b⁴c⁴

2. The common factor of 3a²b⁴c², 12b²c⁴ and 15a³b⁴c⁴ is

A b⁴c⁴ B

3b²c²

C 15b²c⁴ D 12b²c⁴

3. The common factor of 24x³y⁴, 36x⁴z⁴ and 48x³y²z is

A

12x³

B

24x³

C

36x³

D

48x³

4. The common factor of 72x³y⁴z⁴, 120z²d⁴x⁴ and 96y³z⁴d⁴ is

A

96z³

B

120z³

C

72z³

D

24z²

5. The common factor of 36p²q³x⁴, 48pq³x² and 54p³q³x⁴ is

A

6pq³x²

B

36pq³x²

C

54pq³x²

D

48pq³x²

6. The factorisation of 12a²b + 15ab² is

A

3ab (4a + 5b)

B

3a²b (4a + 5b)

C

3ab² (4a + 5b)

D

3a²b² (4a + 5b)

7. The factorisation of 10x² - 18x³ + 14x⁴ is

A

2x² (7x² - 9x + 5)

B

2x (7x² - 9x + 5)

C

2 (7x² - 9x + 5)

D

2x³ (7x² - 9x + 5)

8. The factorisation of 6x - 42 is

A

6(x - 7)

B

3(x - 7)

C

2(x - 7)

D

6(x + 7)

9. The factorisation of 6x + 12y is

A

6(x + 2y)

B

3(x + 4y)

C

2(3x + 12y)

D

none of these

10. The factorisation of 28a³b⁵ - 42a⁵b³ is

A

14a³b³(2b² - 3a²)

B

14a²b³(2b² - 3a²)

C

14a³b²(2b² - 3a²)

D

none of these