.
A COMMITTEE OF 4 IS TO BE CHOSEN FROM 4 LAWYERS AND 3 ENGINERERS, FIND
IN HOW MANY WAYS THE COMMITTEE CAN BE CHOSEN.
IN HOW MANY WAYS THE COMMITTEE CAN BE EQUALLY REPRESENTED BY THE TWO PROFESSIONS
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Ignore the solution by @Glaviolette: it is totally wrong.
I came to bring a correct solution.
(1) In = = = 35 different ways.
(2) In . = 6*3 = 18 different ways.
Solved.