31(1)/(2), 32 (1)/(2), 31 (2)/(3) तथा 33...

`31(1)/(2), 32 (1)/(2), 31 (2)/(3)` तथा `33(3)/(4)`का औसत है

A

`42 (7)/(23)`

B

`32(17)/(48)`

C

`17 (23)/(24)`

D

`31 (1)/(3)`

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