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If bard=-20.83, barX=254.17, then A=?...

If `bard=-20.83`, `barX=254.17`, then `A=?`

A

(a) `270`

B

(b) `275`

C

(c) `233.34`

D

(d) `12.20`

Text Solution

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The correct Answer is:
B
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If sumf_(i)=20 , sumf_(i)x_(i)=120+y and barX=7 , then y=?

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Knowledge Check

  • जर overlined = - 20.83, overlineX = 254.17 , तर A = ?

    A
    270
    B
    25
    C
    233.34
    D
    12.2
  • जर overlined = - 20.83, overlineX = 254.17 , तर A = ?

    A
    270
    B
    25
    C
    233.34
    D
    12.2
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