20, मापनो x(1),x(2),x(3),...........x(20...

20, मापनो `x_(1),x_(2),x_(3),...........x_(20)` का औसत y, है। तब, `(x_(1)-101),(x_(2)-101),(x_(3)-101)...... (x_(20)-101)` का औसत ज्ञात करे?

A

y- 20

B

y - 101

C

20y

D

101y

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The correct Answer is:

B

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