1. What is the most significant difference between Permutations and Combination Counting Techniques? 2. Find the number of possible combinations of the letters w. x, y and z if the letters are taken 2 at a time. 3. In how many ways can a committee of 4 executives be organized from 15 executives, 4. In how many ways can we choose 5 students from 7 boys and 5 girls? 5. From 6 female employees and 5 male employees, how many groups of 5 employees can be organized consisting of 3 female employees and 2 male employees? 6. A box contains 8 ten-peso coins and 5 five-peso coins. In how many ways can 3 coins be drawn in such that (a) they are all ten-peso coins? topic : (b) they are all five-peso coins? counting (c) I is a ten-peso coin and 2 are five-peso coins? techniques