| 1
| Number of ways of choosing a team or x men & y women from a group; RNI |
Intermediate |
A-Level |
S1 |
Related material |
| 2
| Number of ways of choosing balls from a bag with at least one red; RNI |
Intermediate |
A-Level |
S1 |
Related material |
| 3
| Number of ways of choosing balls from a bag with at least two red; RNI |
Intermediate |
A-Level |
S1 |
Related material |
| 4
| Number of ways of choosing balls from a bag with at most one red; RNI |
Intermediate |
A-Level |
S1 |
Related material |
| 5
| Number of ways of choosing balls from a bag with at most two red; RNI |
Intermediate |
A-Level |
S1 |
Related material |
| 6
| Number of ways of choosing balls from a bag with two the same colour; RNI |
Intermediate |
A-Level |
S1 |
Related material |
| 7
| Number of ways of choosing objects from a group; RNI |
Easy |
A-Level |
S1 |
Related material |