NCERT Solutions for Class 8 Mathematics Chapter 13
Important NCERT Questions
Direct and Inverse Proportions Chapter 8 Exercise 13.1
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 10
A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
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Let distance covered in 5 hours be x km.
∴ 1 hour = 60 minutes ∴ 5 hours = 5 x 60 = 300 minutes
Distance (in km) 14 x
Time (in minutes) 25 300
Here distance covered and time in direct proportion.
∴ 14/25 = x/300 ⇒ xX25=14×300 ⇒ x= 14×300/25 = 168 km
Hence, the distance covered in 5 hours is 168 km.
Class 8 Maths Chapter 11 Exercise 13.1 Solution in Video
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https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-13/