Imagine you are trapped in a maths classroom and can only escape by finding the code for the door! The code can only be found by working out the answers to the series of probability questions below.
The code is formed by the last digit in the answer to question a, the denominator in question b, the first digit in the numerator of question c and the first digit in the answer of question d.
Can you find the code?
Provide your correct answers to Mr McVey by the end of term to receive a special prize!