solutions are rounded in a somewhat arbitrary fashion...
Your value of pi is wrong.
The problem should specify that the used value for pi is 3.1416 (since this is not its true value), and that we need to use floor with precision of 4 decimal places.
06 - Matrix Equations 2
07 - Common functions and indexing 4
Is this triangle right-angled?
Find out magnitude of vector
Xor of matrix
Delete blanks at the end of string
Rank of matrix
Calculate Simple Intrest for given data
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