Evaluate: 16 + 9 ÷ 3 - 2 × 3

Simplify the following.
​$$7\frac{1}{2} \div \left\{ 4\frac{1}{4} - \frac{1}{2} \times \left( 2\frac{1}{2} - 1\frac{1}{4} - \frac{3}{4} \right) \right\}$$​​

What value will come in place of question mark (?) in the following equation?
​$$\frac{40}{2} + 13 \times 4 = ? + \frac{60}{3} - 33$$​​

Simplify: $$\left[\left(26 \div \frac{4}{2}\right) \times \left\{8 \div 2 \times \frac{12 - 2}{5} \right\} \div \left\{4 \times 4 \div 3 \right\} \right]$$​