The total mark is 55+45=100

PS#17
9 Q1(a)  - only check if an attempt was made, do not bother to check details
20 Q1(b)  - only check if an attempt was made, do not bother to check details
20 Q2 - only check if an attempt was made, do not bother to check details
6 Q3

total 55

PS#E
10 Q1
11 Q2
16 Q3
8 Q4
total 45


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