Question : Evaluate for the value of A.
$(64 ÷ 8) - A + 4 × 23 + 45 - 87 = 53$

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

Question : What is the value of $\frac{(55 + 88) [(3 \times 5 + 4)–64\div 8]}{28\times 7\div56\times 4 \text { of }(91–78)}$?

Question : What is the value of $\frac{11 \times 11-24 \times 6 ~of~ 2+12 \times 12}{4 \times 5+6 \times 2 \div 4}$ ?

Question : Directions: By interchanging the given two numbers (not digits) which of the following equations will not be correct?
5 and 6