Question

The cost of $\frac{19}{4}$ m of wire is ₹ $\frac{171}{2}$. The cost of one meter of wire is ₹ ___

Answer 1

Cost of $\frac{19}{4}$m of wire = ₹ $\frac{171}{2}$

Cost of 1m of wire = $\frac{\frac{171}{2}}{\frac{19}{4}}$ = 9 × 2 = ₹18