What approximate value will come in place of question mark (?) in the following question? (You are not expected to calculate the exact value)

479.79÷15-32×1.78=?

​$$\frac{779.23}{13} + 4.98 + 23 = \frac{x}{100} \times 60.03$$​​

1259.909 ÷ 12.106 ÷ 6.979 + 37.8982 – 29.9023 = ?

Which of the following options is the closest approximate value which wilt come in place of the question mark (?) in the following equation?

​$$75.02 \div 16.89 × 13.47 + 749.98 – 79.29 = ?$$​

Which of the following options is the closest approximate value which will come in place of the question mark (?) in the following equation?

​$$2.59 \times 1.3 - 4 + 3 = ?$$​​