CBSE Class 8 Maths Algebra Play (Class 8 NCERT New) Quiz 2

1. Simplify2a + a

A 3a B 2a C 2a2

2. Simplifyh + h + h

A h3 B hhh C 3h

3. Simplify2a + 3b + 4a

A 9ab B 5ab + 4a C 6a + 3b

4. Simplify5a2 x 3a3

A 15a5 B 15a6 C 15a23

5. Expand2(a - b)

A 2a - b B 2a - 2b C -2ab

6. Expand3m (m +1)

A 4m2 B 3m + 3 C 3m2 +3m

7. Expand(m + 3)(m - 5)

A m2 - 2m - 15 B m2 + 8m - 15 C m2 -2m - 2

8. Expand2ab + 8a

A 2ab(8a) B 2a(b + 4) C a(2b + 8)

9. Factorise3a - 3b

A -ab B 6ab C 3(a - b)

10. Factorisec2 - c - 2

A c(c - 1) -2 B (c - 2)(c + 1) C (c - 2)(c - 1)