1. it shows no mercy
2. it organises people into a shared moment.
3. Both (a) and (b)
4. Neither (a) nor (b)
it organises people into a shared moment.
1. 210
2. 210×33
3. 4×34
4. 4233
4×34
1. 138
2. 128
3. 112
4. 91
91
1. 700
2. 360
3. 120
4. 24
5. 21
360
1. 2
2. 3
3. 4
4. 5
3
1. 16C7×7!
2. 12C4×4C3×7!
3. 12C3×4C4
4. 12C4×4C3
12C4×4C3×7!
1. 3
2. 5
3. 3!
4. 5!
5
1. 242
2. 243
3. 728
4. 729
242
1. 760
2. 1140
3. 780
4. 720
1140
1. 365C7
2. 7
3. 4
4. 2
2