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Following are the car parking charges near a railway station upto 4 hours 8 hours 12 hours 24 hours ₹60 ₹100 ₹140 ₹180 Check if the parking charges are in direct proportion to the parking time.

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Question

Following are the car parking charges near a railway station upto

4 hours ₹60
8 hours ₹100
12 hours ₹140
24 hours ₹180

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

Sum
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Solution

Parking time
(in hours)
Parking
charges
(in ₹)
Proportion
4 60 `4/60= 1/15`
8 100 `8/100 = 2/25`
12 140 `12/140 = 3/35`
24 180 `24/180 = 2/15`

Since, `1/15 ne 2/25 ne3/35 ne 2/15`

∴ The parking timing is not in direct proportion to parking charges.

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Chapter 11: Direct and Inverse Proportions - EXERCISE 11.1 [Page 136]

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NCERT Mathematics [English] Class 8
Chapter 11 Direct and Inverse Proportions
EXERCISE 11.1 | Q 1. | Page 136

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