1. Following are the car parking charges near a railway station up to.
4 hours – ₹ 60

8 hours – ₹100

12 hours – ₹140

24 hours – ₹ 180

Check if the parking charges are in direct proportions to the parking time.

Since, we have, $$\frac{4}{60}\neq \frac{8}{100}\neq\frac{12}{140}\neq \frac{24}{180}$$