1. 2 : 3
2. 4 : 3
3. 3 : 2
4. 3 : 4
3 : 4
1. 4
2. 6
3. 5
4. 3
4
1. 0.7
2. 0.5
3. 0.1
4. 0.2
0.1
1. 7,8
2. 8,0
3. 5,8
4. None of these
8,0
1. 10
2. 9
3. 12
4. 8
10
1. - 2
2. 3
3. 6
4. None of these
None of these
1. (+) 10
2. (-) 1
3. (+) 1
4. 0
(-) 1
1. - 4
2. - 2
3. + 4
4. 0
+ 4
1. 1 ≤ x ≤ 2
2. -1 ≥ x ≥ -2
3. 0 ≤ x ≤ 2
4. 0 ≥ x ≥ -2
1 ≤ x ≤ 2
1. 1/a + 1/b = 1/c
2. a + b = c
3. 1/a + 1/b = 2/c
4. None of these
1/a + 1/b = 2/c