Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions

Using suitable identities, evaluate the following.

52 × 53

Using suitable identities, evaluate the following.

105 × 95

Carry out the following division:

51x³y²z ÷ 17xyz

Carry out the following division:

76x³yz³ ÷ 19x²y²

Carry out the following division:

17ab²c³ ÷ (–abc²)

Carry out the following division:

–121p³q³r³ ÷ (–11xy²z³)

Perform the following division:

(3pqr – 6p²q²r²) ÷ 3pq

Perform the following division:

(ax³ – bx² + cx) ÷ (– dx)

Perform the following division:

(x³y³ + x²y³ – xy⁴ + xy) ÷ xy

Perform the following division:

(– qrxy + pryz – rxyz) ÷ (– xyz)

Match the expressions of column I with that of column II:

Use a suitable identity to get the following products.

(x + 3) (x + 3)

Use a suitable identity to get the following products.

(2y + 5) (2y + 5)

Use a suitable identity to get the following products

(2a ­− 7) (2a − 7)

Use a suitable identity to get the following products.

`(3a - 1/2)(3a - 1/2)`

Use a suitable identity to get the following products.

(1.1m − 0.4) (1.1 m + 0.4)

Use a suitable identity to get the following products.

(a² + b²) (− a² + b²)

Use a suitable identity to get the following products.

(6x − 7) (6x + 7)

Use a suitable identity to get the following products.

(− a + c) (− a + c)

Use a suitable identity to get the following products.

`(x/2 + (3y)/4)(x/2 + (3y)/4)`