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Question

Q. Kiran goes to School at a speed of 6 km/hr and returns home at a speed of 4 km/hr. If he took 10 hours in total, what is the distance between his school and home?

Q. किरण 6 किमी/घंटा की गति से स्कूल जाता है और 4 किमी/घंटा की गति से घर लौटता है। यदि उसे कुल 10 घंटे लगते है, तो उसके स्कूल और घर के बीच की दूरी क्या है?

A

10 km
10 किमी
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B

12 km
12 किमी
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C

24 km
24 किमी
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D

48 km
48 किमी
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Solution

The correct option is C
24 km
24 किमी
Let the distance between his home and school be ‘d’.
Framing an equation for the total time taken,
d4+d6=10
Solving, d=24 km

माना उसके घर और विद्यालय के बीच की दूरी 'd' है।
लिए गए कुल समय के लिए एक समीकरण बनाने पर,
d4+d6=10
हल करने पर, d=24 किमी

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