1. 1.45
2. 1.88
3. 2.9
4. 3.7
2.9
1. 1
2. 10
3. 121
4. 1000
1000
1. 1
2. 3
3. 9
4. 3n
9
1. 6
2. 7
3. 8
4. None of these
7
1. 56
2. 66
3. 112
4. None of these
66
1. 0
2. 1/2
3. 1
4. am + n
1
1. 0
2. 1
3. xa –b – c
4. None of these
1
1. xabc
2. 1
3. x ab + bc + ca
4. x a + b + c
1
1. 0
2. xabc
3. x a + b + c
4. 1
1
1. 1
2. x1/abc
3. x1/(ab + bc + ca)
4. none of these
1