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May 1, 2023 at 4:22 pm
Good day? I would like to ask if this kind of linear programming exam question is less likely to appear in the machine mode, as I don’t think this can be done in the CBE.
August 19, 2023 at 4:47 pm
You can be asked to interpret it. It has been examined in the previous papers given by students and often appears as a section A or B question
April 5, 2022 at 11:59 pm
I am not sure how we got the S=0; E=20 / E=0; S=40 from the Materials =2s+4e=80
John Moffat says
April 6, 2022 at 7:25 am
If S = 0, then 0 + 4e = 80, therefore e = 80/4 = 20.
If E = 0, then 2s + 0 = 80, therefore s = 80/2 = 40.
April 10, 2022 at 1:37 am
March 10, 2022 at 1:09 am
Hello sir Can I use these lectures and notes for June 2022 exam??
March 10, 2022 at 6:56 am
Yes, of course. Our lectures are always updated for the current syllabus (and the current syllabus does not change until after the June 2022 exam).
February 19, 2020 at 8:46 pm
thank you for the lecture. well explained
September 3, 2019 at 1:14 pm
Dear Sir Why are we assuming that greater than or lesser than symbol is deemed to be “equals” symbol in finding the coordinates for constraints
September 3, 2019 at 1:54 pm
Because the line that we draw when it is equals is the boundary. If it is a less than constraint then any values of the two variables must be either on the line (i.e. equals the constraint) or below the line (i.e. less than the constraint).
I do explain this in the lectures.
October 16, 2018 at 9:47 am
Thanks Mr John and good morning. It is possible to do the inverse of the x and y axes for standard and executive chairs and still arrive at the same optimal production plan? Here S is positioned on the vertical axis while E on the horizontal axis.
October 16, 2018 at 4:15 pm
It does not matter which axis you use for each product – the answer will be the same (even though the lines will look different).
However, do appreciate that you cannot be asked in the exam to draw the graph – but what can happen is that the graph might be already drawn for you in the question, and you can be tested that you understand it.
October 19, 2018 at 4:16 pm
Okay Sir. Thanks
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