ICSE ICSE Class 8 - CISCE Question Bank Solutions

factorise :  6x³ - 8x²

factorise : 35a³b²c + 42ab²c² 

Factorise: 36x²y² - 30x³y³ + 48x³y²

factorise :  8(2a + 3b)³ - 12(2a + 3b)²  

factorise:

9a (x − 2y)⁴ − 12a (x − 2y)³ 

factorise : a² - ab - 3a + 3b 

factorise : x²y - xy² + 5x - 5y 

Find the area of a triangle, whose sides are :

10 cm, 24 cm, and 26 cm

Factorise: 

a² – ab(1 – b) – b³

Find the area of a triangle, whose sides are :

18 mm, 24 mm and 30 mm

At what rate percent of simple interest will the interest on Rs.3750 be one-fifth of itself in 4 years? To what will it amount in 15 years?

Find the area of a triangle, whose sides are :

21 m, 28 m, and 35 m

factorise : xy² + (x - 1) y - 1 

factorise : (ax + by)² + (bx - ay)²

Two sides of a triangle are 6 cm and 8 cm. If the height of the triangle corresponding to 6 cm side is 4 cm; find :

(i) area of the triangle
(ii) height of the triangle corresponding to 8 cm side.

On what date will ₹ 1950 lent on 5th January 2011 amount to ₹ 2125.50 at 5 percent per annum simple interest?

factorise : ab(x² + y²) - xy (a² + b²) 

factorise : m - 1 - (m-1)² + am - a 

The sides of a triangle are 16 cm, 12 cm, and 20 cm. Find :

(i) area of the triangle ;
(ii) height of the triangle, corresponding to the largest side ;
(iii) height of the triangle, corresponding to the smallest side.

Two sides of a triangle are 6.4 m and 4.8 m. If the height of the triangle corresponding to 4.8 m side is 6 m;

find :
(i) area of the triangle ;
(ii) height of the triangle corresponding to 6.4 m sides.