combinations questions with answers
3 multiple-choice questions. Open any question for its answer and explanation.
- If x boys and y girls sit in a row randomly, in how many ways can all the girls sit together ?
- The number of ways in which 3 boys and 2 girls can be arranged in a queue, given that the 2 girls have to be next to each other, is
- From a sales line of 10 products, how many ' subsets of 3 products can be offered to customers ?