Question

There are 8 friends A, B, C, D, E, F, G, H. we have to select 6 persons out of 8 for an excursion. A and D are close friends and will either both go or not go.
(I) what are the different possibilities for selection
(ii) in how many ways tour will be selected if A is going.
(iii) Total number of ways tour can be arranged
(iv) in how many ways tour can be selected if A is going and B is not going ​

Answer 1

Step-by-step explanation:

There are 8 friends A, B, C, D, E, F, G, H. we have to select 6 persons out of 8 for an excursion. A and D are close friends and will either both go or not go.

Answer 2

There are 8 friends A, B, C, D, E, F, G, H. we have to select 6 persons out of 8 for an excursion. A and D are close friends and will either both go or not go.