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A race track is in the shape of a ring w...

A race track is in the shape of a ring whose inner and outer circumferences are 440m and 506m, respectively. What is the cost of levelling the track at ₹ 6/`m^2`? (Take `prod=22/7`)
एक धावन पथ छल्ले के आकार में है जिसकी आतंरिक और बाहरी परिधि क्रमशः 440 मीटर तथा 506 मीटर है | इस पथ को 6 रुपये प्रति वर्ग मीटर की दर से समतल करने की लागत कितनी आएगी ?

A

₹ 18,966

B

₹ 24,832

C

₹ 19,866

D

₹ 29,799

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