Question : What is the value of: $5\frac{1}{2}+7\frac{1}{2}+11\frac{1}{2}?$

Option 1: $\frac{49}{2}$

Option 2: $\frac{25}{2}$

Option 3: $\frac{29}{2}$

Option 4: $\frac{27}{2}$

Question : Let $x=\frac{5 \frac{3}{4}-\frac{3}{7} \times 15 \frac{3}{4}+2 \frac{2}{35} \div 1 \frac{11}{25}}{\frac{3}{4} \div 5 \frac{1}{4}+5 \frac{3}{5} \div 3 \frac{4}{15}}$. When $y$ is added to $x$, the result is $\frac{7}{13}$. What is the value of $y$?

Option 1: $\frac{1}{13}$

Option 2: $\frac{9}{13}$

Option 3: $\frac{2}{13}$

Option 4: $\frac{4}{13}$

Question : If $2 x^2-7 x+5=0$, then what is the value of $x^2+\frac{25}{4 x^2} ?$

Option 1: $5 \frac{1}{2}$

Option 2: $7 \frac{1}{4}$

Option 3: $9 \frac{1}{2}$

Option 4: $9 \frac{3}{4}$

Question :  The value of $1 \frac{3}{4}+1 \frac{5}{7} \div 2 \frac{3}{7} \times 2 \frac{3}{7}=$?

Option 1: $1 \frac{11}{28}$

Option 2: $2 \frac{13}{28}$

Option 3: $3 \frac{13}{28}$

Option 4: $4 \frac{23}{28}$

Question : If $7\mathrm{b}-\frac{1}{4 \mathrm{b}}=7$, what is the value of $16 \mathrm{b}^2+\frac{1}{49 \mathrm{b}^2}$?

Option 1: $\frac{80}{49}$

Option 2: $\frac{104}{7}$

Option 3: $\frac{120}{7}$

Option 4: $\frac{7}{2}$

Question : If $\frac{A}{3}=\frac{B}{2}=\frac{C}{5}$, what is the value of ratio $(C+A)^{2}:(A+B)^{2}:(B+C)^{2}$?

Option 1: $9:4:25$

Option 2: $25:4:9$

Option 3: $64:25:49$

Option 4: $49:25:64$