Skip to content
OtisamLMS
Core Mathematics

Core Mathematics · Quick practice · answer shown after each question

Interest, depreciation and percentages

Question 1 of 10

Question 1 of 10

GH₵ 1,000 is invested at 20% compound interest per annum. The amount after 2 years is GH₵ ___.

Question 2 of 10

Question 2 of 10

Simple interest on GH₵ 1,000 for 3 years is GH₵ 300. Find the rate.

Question 3 of 10

Question 3 of 10

A machine costing GH₵ 5,000 depreciates by 8% each year. Find its value after 3 years.

Question 4 of 10

Question 4 of 10

GH₵ 5,000 is invested at 20% compound interest per annum. The amount after 2 years is GH₵ ___.

Question 5 of 10

Question 5 of 10

A machine costing GH₵ 5,000 depreciates by 20% each year. Find its value after 2 years.

Question 6 of 10

Question 6 of 10

A motorbike was bought for GH₵ 15,000. It depreciates by 10% each year. (a) Find its value at the end of each of the first three years. (b) Find the total depreciation after three years. (c) Express the total depreciation as a percentage of the cost.

Question 7 of 10

Question 7 of 10

Find the compound interest on GH₵ 5,000 at 8% per annum for 2 years.

Question 8 of 10

Question 8 of 10

A motorbike was bought for GH₵ 8,000. It depreciates by 15% each year. (a) Find its value at the end of each of the first three years. (b) Find the total depreciation after three years. (c) Express the total depreciation as a percentage of the cost.

Question 9 of 10

Question 9 of 10

Depreciation increases the value of an asset.

Question 10 of 10

Question 10 of 10

A machine costing GH₵ 2,500 depreciates by 10% each year. Find its value after 3 years.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.