Which defect below is MOST likely to be found by a review during static testing?

Which statement about Static Testing is TRUE?

A car insurance policy has 3 rates of insurance depending on the age of the driver. For drivers aged between
17 and 25 inclusive they are charged at rate A, drivers aged between 26 and 50 inclusive are charged at rate B and those drivers aged over 50 are charged at rate C.
You are designing test cases, which of the following three ages would test all valid equivalence partitions and therefore test rate A, B and C?

Testing and Debugging are key activities in the software development lifecycle.
Which of the following are DEBUGGING activities?
a) Designing tests to find failures.
b) Locating the cause of failures.
c) Analysing and fixing the defects.
d) Executing tests to show failures.

An issue has been found in a production system, where a code component fails to release memory after it has finished using it. Which of the following tools would have been the MOST effective at detecting this defect during Performance testing?