If the angles of a quadrilateral are in $A.P.$ whose common difference is ${10^o}$, then the angles of the quadrilateral are

  • A

    ${65^o},\,{85^o},\,{95^o},\,{105^o}$

  • B

    ${75^o},\,{85^o},\,{95^o},\,{105^o}$

  • C

    ${65^o},\,{75^o},\,{85^o},\,{95^o}$

  • D

    ${65^o},\,{95^o},\,{105^o},\,{115^o}$

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  • [IIT 1980]

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