ICSE ICSE Class 8 - CISCE Question Bank Solutions for Mathematics

Calculate the compound interest on Rs. 15,000 in 3 years; if the rates of interest for successive years be 6%, 8%, and 10% respectively.

Find the cube-root of −175616

Mohan borrowed Rs. 16,000 for 3 years at 5% per annum compound interest. Calculate the amount that Mohan will pay at the end of 3 years.

Rekha borrowed Rs. 40,000 for 3 years at 10% per annum compound interest. Calculate the interest paid by her for the second year.

Calculate the compound interest for the second year on Rs. 15000 invested for 5 years at 6% per annum.

Write the quotient when the sum of 94 and 49 is divided by 11.

A man invests Rs. 9600 at 10% per annum compound interest for 3 years. Calculate :
(i) the interest for the first year.
(ii) the amount at the end of the first year.
(iii) the interest for the second year.
(iv) the interest for the third year. the interest for the first year.

Write the quotient when the sum of 94 and 49 is divided by 13.

Factorise xy² - xz², Hence, find the value of : 

9 x 8² - 9 x 2² 

Factorise xy² - xz², Hence, find the value of : 

40 x 5.5² - 40 x 4.5²  

Calculate the difference between the compound interest and the simple interest on ₹ 7,500 in two years and at 8% per annum.

Factorise: a² - 0·36 b²  

Factorise: a⁴ - 625 

Factorise: x⁴ - 5x² - 36

Calculate the difference between the compound interest and the simple interest on ₹ 8,000 in three years and at 10% per annum.

Rohit borrowed ₹ 40,000 for 2 years at 10% per annum C.I. and Manish borrowed the same sum for the same time at 10.5% per annum simple interest. Which of these two gets less interest and by how much?

Find the length and perimeter of a rectangle, whose area = 120 cm² and breadth = 8 cm

The perimeter of a rectangle is 46 m and its length is 15 m. Find its :
(i) breadth
(ii) area
(iii) diagonal.

The diagonal of a rectangle is 34 cm. If its breadth is 16 cm; find its :
(i) length
(ii) area

The area of a small rectangular plot is 84 m². If the difference between its length and the breadth is 5 m; find its perimeter.