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Amita travels from her house at \(3 \frac{1}{2}\) km/h and reaches her school 6 minutes late. The next day she travels at \(4 \frac{1}{2}\)km/h and reaches her school 10 minutes early. What is the distance between her house and the school?

Amita travels from her house at \(3 \frac{1}{2}\) km/h and reaches her school 6 minutes late. The next day she travels at \(4 \frac{1}{2}\)km/h and reaches her school 10 minutes early. What is the distance between her house and the school? Correct Answer 4.2 km

Given:

Speed 1 = 3.5 km/hr reaches 6 min late

Speed 2 = 4.5 km/h reaches 10 min early.

Formula used:

Distance = × time difference

Calculation:

Distance = × time difference

⇒ Distance = × 16/60

⇒ 4.2 km

∴ The distance between her house and the school is 4.2 km.

Mistakes Point:

Convert all given data in same units i.e all-time in an hour or sec and distance in Km or meter according to requirements.

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