find the first elements of a column matrix
This would be better as "find the nth element of an array." Also, a column matrix doesn't exist. Perhaps you meant column vector, though the variables in your test cases are row vectors.
Arrange Vector in descending order
Back to basics 5 - Clipboard
Back to basics 12 - Input Arguments
Volume of a box
Determine whether the input is divisible by 3 as well as 5
find a specific element from an matrix
Find remainder when x is divided by 3
modulus of a number
Calculating selling price
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