CXC CSEC Mathematics Multiple Choice 1 – In this Caribbean Examination Council (CXC) Caribbean Secondary Education Certificate (CSEC) Mathematics Multiple Choice Examination, questions 15 – 18 are the first 4 of 8 questions based on the topic Consumer Arithmetic.
Question 18:
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Related videos:
The Unitary Method: [ Ссылка ] (Alternatively, the Fractional Method: [ Ссылка ])
Multiplication of fractions: [ Ссылка ]
Converting Fractions to Decimals: [ Ссылка ]
Key fractions, decimals and percentages: ([ Ссылка ])
Division: [ Ссылка ]
Percentages: [ Ссылка ]
BODMAS: [ Ссылка ]
Subtraction of Fractions: [ Ссылка ]
Powers of Numbers: [ Ссылка ]
Laws of Indices: [ Ссылка ]
Subtraction: [ Ссылка ]
This topic:
CONSUMER ARITHMETIC (Playlist: [ Ссылка ])
Upon completion of this series of videos on this topic, you will understand/be able to:
1. calculate:
(a) discount;
(b) sales tax;
(c) profit; and,
(d) loss;
2. calculate
(a) percentage profit; and,
(b) percentage loss;
3. express a profit, loss, discount, markup and purchase tax, as a percentage of some value;
4. solve problems involving marked price, selling price, cost price, profit, loss or discount;
5. solve problems involving payments by instalments as in the case of hire purchase and mortgages;
6. solve problems involving simple interest;
a. Principal, time, rate, amount.
7. solve problems involving compound interest;
a. Formulae may be used in computing compound interest. The use of calculators is encouraged.
8. solve problems involving appreciation and depreciation;
9. solve problems involving measures and money;
a. Currency conversion.
10. solve problems involving:
(a) rates and taxes;
(b) utilities;
(c) invoices and shopping bills;
(d) salaries and wages; and,
(e) insurance and investments.
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