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A savings account earns compound interest at 1.5% per month.
Calculate the equivalent annual rate of interest

rebelmaths

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Finding Cosine and Tangent values for an angle if Sine value is given. 

Find the equation of a straight line parrarell to a given straight line passes through a given point.

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This question tests a student's ability subtract one fraction from another with different denominators (at least one of them is negative).

Because JavaScript numbers lose precision as they get bigger, you get some unexpected results.

See the variable "two" - the difference should be 2, but because the JavaScript representation of each of the two numbers is the same, it thinks the difference is 0.

Using the decimal data type, there's no loss of precision, so the correct value is produced.

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This exam uses a custom theme to provide no feedback about scores to the student.

The idea is to provide a version of the test compiled with this theme to the students as they attempt it. Once the test has closed, update with a version of the same test compiled with the default theme, so students can go back in and get feedback.