IMHO the update you mentioned is not necessary and may not even be true, if the question doesn't mention wind, you make no assumption about wind. All you need is 1) FPT, 2) your original heading, and 3) your fixed positions after certain times to work out everything else, including TE, CA, TTI, drift, wind etc.
In fact, the drift, wind, GS etc. you worked out are based on an assumption that the wind is constant and you moved along a straight line between the two fixed points (that is exactly what you did, isn't it, you use your ruler to connect the two point with a straight line). This assumption is not necessary true, you could be zig-zagging between the two points when winds are variable. All you actually know for cetain (the measurement you took) is that you kept a constant heading, at time X you are at A and at time Y you are at B. The drift and wind are just an average estimation.
The above 1),2) and 3) are also the only infomation you know in a dead reckoning situation in real life (without the help of other navigation equipment of course). You don't always know the wind direction in real life, even if you do, the wind direction may change. That's the whole point of all these exercises, work out your situation with the infomation at hand.
I don't think you will ever be told the direction of wind in these 1 in 60 questions, just like in a question that provides you TAS 100kts and head wind 10kts, the examiner will never tell you GS is 90kts, you should know it yourself.