13? 13 is most minimum ages however, I don't understand this question all that well.
Answer:

Explanation:
Considering the number are stored using binary notations.
If there are total 86 bits and 1 bit is used as sign bit. Then in total one can have
bit combinations since a bit can be either stored as 0 or as 1.
Therefore, the largest number that can be stored will be
.
To understand it in better way let's scale down the problem to 3 bits representation. The largest number that can be stored using 3 bits is 111 which in decimal form is 7 and is equal to
.
Answer:
an aptitude test.
Explanation:
Based on the scenario being described it can be said that the test that Francis is scheduled to take would be classified as an aptitude test. This is a test that tries to determine an individual's innate ability at a particular competency. These are abilities such as sequencing skills and abstract reasoning skills, and are the results of these tests are used in order to see where a candidate can best be placed within a program/company to best perform.