यदि u,v,w,x,y,z का औसत 10 है, तो u+10, v...

यदि u,v,w,x,y,z का औसत 10 है, तो `u+10`, `v+20`, `w+30`, `x+40`, `y+50`, `z+60` का औसत क्या है ?

A

30

B

35

C

40

D

45

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