5 metres of cloth costs ₹ 210. Find the cost of 4 metres of the cloth.
₹ 168
₹ 156
₹ 184
₹ 199
More cloth implies more cost, so it indicates a direct proportion.
Let the cost of 4 meters cloth be x.
x = 4×2105
x = ₹ 168
5 metres of muslin cloth costs ₹ 210. The cost of 8 metres of the cloth is ₹ 336.