1. 1/3
2. 2
3. 6
4. None of these
None of these
1. 11/13
2. 13/15
3. 13/11
4. 15/13
13/15
1. -1
2. 0
3. 1/2
4. 2
0
1. -120
2. -100
3. 100
4. 120
120
1. 3
2. 4
3. 7
4. 11
4
1. -7, -2
2. -7, 2
3. 7, -2
4. 7, 2
7, -2
1. 10
2. 15
3. 20
4. 25
25
1. 6
2. 7
3. 10
4. 20
10
1. 4
2. 6
3. 8
4. 10
4
1. 3
2. 4
3. 6
4. 9
5. None of these
3