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     EduGorilla 
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    A cow is tied in the centre of a field by a rope of length ‘L’ m so that it can graze in a circular area. If length of rope is increased by 5 m then circular grazing area of the cow increases by 392.5 m, then what is the value of L? (Use π = 3.14)

    Options :-

    1. 8 m

    2. 10 m

    3. 12 m

    4. None of the above

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