Question

(8) A. Student walks from his house at Skmelhor and reaches his school 10 minutes late in his speed had been 6 km Ihr he would have reached 15 minutes early. The distance ay from his house is a his School​

Answer 1

Step-by-step explanation:

A student walks from his house at 10 km/hr and reaches his school late by 6 minutes. Next day, he increases his speed by 15 km/hr and reaches 4 minutes before school time. How far is the school from his house?

Option 1) 12 km Option 2) 9 km Option 3) 5 km Option 4) 10 km Option 5) 8 km

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Answers (1)

Rrishi.raj

Speeds = 10 : 15 => 2: 3

Here the distance is same,

Time = 3: 2

Difference between the times = 6+4 => 10 minutes

As per the observation,

i unit = 10 minutes

3 units = 30 minutes or 1/2 hour

Distance = 10 x 1/2 => 5 Km