एक कार 4 घंटे में 180 किलोमीटर चलती है यदि वह 400 किलोमीटर चली तो कितना समय लगेगा
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Answer:
4hrs=180km
so,
400km=?
In 1hr=4\180=1\45
Now,
In 400km =1\45*400=8.889
So car will travel in 8.889hrs for 400 km
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