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     EduGorilla 
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    A bus starts running with some initial speed and its speed increases every hour by 9 km/hr. If it takes 11 hours to cover a distance of 572 km, then what was the initial speed (in km/hr) of the bus? 
    एक बस एक आरंभिक गति पर चलना आरम्भ करती है और प्रत्येक घंटे में इसकी गति में 9 किम/घं की वृद्धि होती है। यदि यह 572 किमी की दूरी को तय करने में इसे 11 घंटे लगते हैं, तो बस की आरंभिक गति (किमी/घं में) क्या थी? 

    Options :-

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