InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
A class has 20 boys and 15 girls . If one representative from each gender has to be chosen, in how many ways can this be done? |
|
Answer» Task 1: Choosing a representative from boys. This can be done in 20 ways. Task 2: Choosing a representative from girls. This can be done in 15 days. By the product rule, the number of ways of performing the two tasks is `20xx15` ,i.e., 300 ways. |
|