Cost of 7 m of cloth = 294
∴ Cost of 1 m of cloth = \(\frac{294}{7}\)
= 42 Rs.
∴ Cost of 5 m of cloth = 42 x 5 = 210
Thus, the cost of 5 m of cloth is 210 Rs.
Complete the drawing shown in Fig. 9.14 to indicate where the free ends of the two wires should be joined to make the bulb glow