Question

A car can travel a certain distance in 12Hours at a speed of 56km/hr. By how much should its speed be increased so that it can travel the same distance in 8hours?
$direct and inverse proportiona$


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Answer 1

Answer:

Since the speed is uniform, the distance travelled will be directly proportional to time.

Direct and Inverse Proportions Class 8 Extra Questions Maths Chapter 13 Q1.1

Answer 2

$\huge\pink{⛄ Answer}{⛄}$

Distance of the entire journey =(48×10)km

=480km

If the time taken = 8 hours, then increased speed =

8

480

km/hr=60km/hr

∴ Increased in speed =60km/hr−48km/hr=12km/hr

Answer 3

$\huge\pink{⛄ Answer}{⛄}$

Distance of the entire journey =(48×10)km

=480km

If the time taken = 8 hours, then increased speed =

8

480

km/hr=60km/hr

∴ Increased in speed =60km/hr−48km/hr=12km/hr