** Question No : 1**

**Simplify :(log 75/16-2 log 5/9+log 32/243)**

1

1.2

2

2.02

** Question No : 2**

**Log _{10} 3+log_{10 }(4x+1)=log_{10 }(x+1)+1**

2/7

7/2

3/7

7/3

** Question No : 3**

**Simplify:[1/log _{xy(}xyz)+1/log_{yz}(xyz)+1/log_{zx}(xyz)]**

1

2

3

4