(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Mathematics

The printed price of a book is Rs.320. A retailer pays Rs.244.80 for it. He gets successive discounts of 10% and another rate. what is the second rate?

Two dealers A and B selling the same model of refrigerator mark them under the same selling price. A gives successive discount of 25% and 5% and B gives successive discounts of 10% and 20%. From whom is it more advantageous to purchase the refrigerator?

Find the amount and the compound interest payable annually on the following :

Rs.25000 for 1`(1)/(2)` years at 10% per annum.

The simple interest on a certain sum of money at 4% p.a. for 2 years is Rs1500. What will be the compound interest on the same sum for the same time?

Find the difference between simple and compound interest on Rs 5000 invested for 3 years at 6% p.a., interest payable yearly.

A man borrows Rs 62500 at 8% p.a., simple interest for 2 years. He immediately lends the money out at CI at the same rate and for same time. What is his gain at the end of 2 years?

The simple interest on a certain sum for 3 years at 4% is Rs 600. Find the compound interest for the same sum at the same percent and in the same time.

The difference between simple interest and compound interest compounded annually on a certain sum is Rs.448 for 2 years at 8 percent per annum. Find the sum.

The difference between C.I. payable annually and S.I. on Rs.50,000 for two years is Rs.125 at the same rate of interest per annum. Find the rate of interest.

Expand the following:
(a + 4) (a + 7)

Expand the following:
(m + 8) (m - 7)

Expand the following:
(x - 5) (x - 4)

Expand the following:
(3x + 4) (2x - 1)

Expand the following:
(2x - 5) (2x + 5) (2x- 3)

Expand the following:
(a + 3b)²

Expand the following:
(2p - 3q)²

Expand the following:

`(2"a" + 1/(2"a"))^2`

Expand the following:
(x - 3y - 2z)²

Find the squares of the following:
9m - 2n

Find the squares of the following:
3p - 4q²