On 26/05/2017 15:23, Harry Bloomfield wrote:
It happens that Bill Wright formulated :
No, the problem is that if you do have a clue you become aware of the
ambiguities.

Exactly! Some of you guys are over thinking the possible answers and
these questions were intended for a 12 to 14 year old student who would
not think too deeply for the answer.

I used to find this type of question confusing, when I was 12 to 14.

I found life became much easier at university, doing a maths course
where they actually took the trouble be more precise.