This video lecture from Sets, Functions and Groups (F.Sc. first year Mathematics) covers: Question numbers 1-5 of exercise 2.4. In these questions we find converse, inverse and contrapositive of the given statements and also construct the truth tables of given statements. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab