Question : What is the value of $\frac{1.2 \times 1.2+0.2 \times 0.2+1.2 \times 0.4}{1.8 \times 1.8+0.4 \times 0.4-1.8 \times 0.8} ?$

Option 1: 0.1

Option 2: 0.25

Option 3: 0.2

Option 4: 1

Question : What is the value of $[0.7 \times 0.4 \div(0.28-0.2 \times 0.3)+1.2 \times 1.6] ?$

Option 1: $\frac{878}{275}$

Option 2: $\frac{1161}{550}$

Option 3: $\frac{1273}{550}$

Option 4: $\frac{971}{275}$

Question : What is the value of $\frac{(45 \times 3 \div 27 \times 4)(81 \div 5 \times 85 \div 51)}{(108 \div 18 \times 7\div21)(133 \times 3 \div 38 \times 4)} ?$

Option 1: $\frac{46}{7}$

Option 2: $\frac{45}{7}$

Option 3: $\frac{54}{7}$

Option 4: $\frac{39}{7}$

Question : What is the value of $\frac{\left(\frac{28}{9} \times \frac{42}{35}\right) \div\left(\frac{3}{25} \times \frac{5}{7} \div \frac{1}{21}\right)}{\left(\frac{14}{15} \div \frac{2}{75} \text { of } \frac{7}{5}\right) \times \frac{1}{75} \div \frac{4}{3}} ?$

Option 1: $\frac{222}{27}$

Option 2: $\frac{212}{27}$

Option 3: $\frac{244}{27}$

Option 4: $\frac{224}{27}$

Question : If $\frac{2 x+3}{18 \div 3 \times 4+2}=\frac{12 \times 3+5}{2 \times 4 \div 2}$, then what is the value of $x$?

Option 1: 132.25

Option 2: 131.75

Option 3: 134.35

Option 4: 120.5