Ex 11.1, 10 A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?Given, truck travels 14 km in 25 minutes.
We need to find how far can it travel in 5 hours
Converting 5 hours into minutes
5 hours = 5 × 60 minutes
= 300 minutes
Let truck travel x km in 300 minutes
Thus, our table looks like
Now,
As distance increases,
the time taken to travel also increases
∴ Distance and time are in direct proportion.
𝟏𝟒/𝟐𝟓 = 𝒙/𝟑𝟎𝟎
14/25 × 300 = 𝑥
14 × 12 = 𝑥
168 = 𝑥
𝒙 = 𝟏𝟔𝟖
∴ Truck can travel 168 km in 5 hours.

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo

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