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Percentages (II) 1

The document is a mathematics chapter quiz focused on percentages, covering topics such as percentage change, simple interest, depreciation, and tax calculations. It includes various problems requiring students to complete tables, calculate values, and answer multiple-choice questions. The quiz is structured to assess knowledge on percentages and their applications in financial contexts.

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1 views4 pages

Percentages (II) 1

The document is a mathematics chapter quiz focused on percentages, covering topics such as percentage change, simple interest, depreciation, and tax calculations. It includes various problems requiring students to complete tables, calculate values, and answer multiple-choice questions. The quiz is structured to assess knowledge on percentages and their applications in financial contexts.

Uploaded by

zqybnt75s7
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Mathematics Chapter Quiz

Ch.3 Percentages(II)
Name: ________________________ Class: ________( ) Date: ________

1. Complete the following table. (3 marks)

Original Value New Value Change in Value Percentage Change

(a) 100 120

(b) 150 –50

(c) +500 +100%

2. Complete the following table. (4 marks)

Principal Interest rate (p.a.) Time Simple interest Amount

(a) $1200 3% 3 years

(b) 5% 2 years $800

(c) $3500 6% $4550

(d) $5500 4 years $1540

3. The cost of a chair is $360. If the chair is sold at a discount of 20% on its marked price, the
percentage profit is 30%. Find the marked price of the chair. (3 marks)

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4. Howard deposits $18000 in a bank at an interest rate of 8% p.a. for 3 years. Find the amount
received if the interest is compounded monthly.
(Give your answers correct to the nearest dollar.) (3 marks)

5. The depreciation rate of a car is 18% per year. If its present value is $253000, find its value
(a) 3 years from now,
(b) 2 years ago.
(Give the answers correct 3 significant figures.)
(4 marks)

6. Maggie deposits a sum of money in a bank at an interest rate of 7% p.a. compounded half-yearly.
If the interest she received after 3 years is $1834, find the principal correct to the nearest dollar.
(4 marks)

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7. (a) The rateable value of a flat is $250 000 this year. If the rates percentage charge is 5%, find
the quarterly rates payable. (2 marks)

(b) The salaries tax rate of a city is summarized by the following table.

Net chargeable income Rate


On the first $30000 5%
On the next $30000 10%
Remaining 15%

(i) Find the salaries tax payable when the net chargeable income for a person is $60000.
(ii) If Mr. Chan needs to pay a salaries tax of $11700, find net chargeable income.
(4 marks)

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For Question 8 – 10, write down the choice in the boxes provided; otherwise no marks will be
given, each question carries 1 mark.

8. If A is 30% greater than B and B is 30% less than C, then

A. A is 9% less than C.

B. C is 9% less than A.

C. A is 9% greater than C.

D. C is 9% greater than A.

9. The simple interest on a sum of money at r % p.a. for 4 years is equal to the compound interest
on the same amount at 4% p.a. for 4 years compounded half-yearly. Find the value of r correct
to 2 significant figures.

A. 4.1

B. 4.2

C. 4.3

D. 4.4

10. If the perimeter of a square is decreased by 30%, then the area of the square is decreased by

A. 69%.

B. 51%.

C. 49%.

D. 30%.

8 9 10

-- END OF PAPER --

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