शीला 12 किमी प्रति घंटा की चाल से अपनी साइकिल द्वारा अपने घर से पाठशाला 20 मिनट में पहुँचती
है। उसे 15 मिनट में पहुँचने के लिए किस चाल से साइकिल चलाना होगा?
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Answered by
5
Answer:
Step-by-step explanation:
She travels 12 km in 1 hr. So in 1 min, she will travel 12/60 = 1/5 km. In 20 min she will travel 20/5 = 4km
So, the distance to the school is 4km
To reach school in 15 min, she will need to cycle at 4/0.25 km per hour, or 16 km/hr
Answered by
2
Answer:
takes her 20 minutes to reach the school .if she wants to reach he… ... hours. distance = speed × time = 12 × 1/3 = 4km. case2: ... Let speed be x km/hr in ...
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