Interest, depreciation and percentages

Question 1 of 10

A price changes from GH₵ 250 to GH₵ 187.5. Find the percentage change.

Question 2 of 10

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

Question 3 of 10

If a price increases by 20% and then decreases by 20%, the final price is

Question 4 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 5 of 10

Compound interest is usually more than simple interest for the same P, R and T (T > 1).

Question 6 of 10

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

Question 7 of 10

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

Question 8 of 10

Depreciation means

Question 9 of 10

A motorbike was bought for GH₵ 12,000. 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 10 of 10

A 50% increase followed by a 50% decrease returns to the original price.