Hello everybody let’s go onto Groups and Conditionalities part 2 from a group of 6 boys P, Q, R, S, T and U and five girls, A, B, C, D and E a basketball team of 6 members chosen under the following conditions D and E have to be together. R cannot go with D. P and S have to be together. S cannot go with A. R and B have to be together. Q and C have to be together. Q and T cannot be teamed together. Now there are 6 boys PQRST and U and there are five girls ABCD and E. D and E will always be together. D and R will never be together. P and S are always together. S and A never together. R and B will always be together. Q and C will always be together. And Q and T would never be together. So this is the information which is given to us correct then now let’s solve all one by one each questions. The first question, if team consists of 4 girls the members of the team are how many girls we need to select four if four girls have to be selected which means out of 5 we need to leave one girl, correct if we suppose to leave one girl which means D and E will definitely come in because if I don’t select ether of them the second will automatically won’t be selected because both of them are coming together one goes the other definitely goes correct if D is selected then you can see R cannot be selected if R is not selected