The rate of onion increased from ₹ 70 per kilogram to ₹ 120 per kilogram within a month. By what percentage (approximate) did the rate of onion increase?
Percentage increase in the rate of onion = $$\frac{120-70}{70}\times100$$
= $$\frac{50}{70}\times100$$
= $$\frac{500}{7}$$
= 71.43%
= 71.5% (approximately)
Hence, the correct answer is Option D
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