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Nikhil Manohar

· started a discussion

· 1 Months ago

doubt (Question: 285190.0 )

correct avg = 36.5
wrongly calculated = 36
so % error 0.5/36.5*100 %.

is it?

Question:

While calculating the average of a batsman as 36 in 100 matches. One of the scores 90 was incorrectly noted as 40. The approximate percentage error is –

Options:
A)

0.6%

B)

1.36%

C)

1.34%

D)

1.21%

Solution:

Ans: (b) New average =  36 + 50/100 = 36.5

                          Error = (36.5 - 36 ) / 36.5 = 1.36%

Ambarish Gupta

· commented

· 1 Months ago

agreed

Irfan

· commented

· 1 Months ago

Ans is 50/36= 1.39% no options
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