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UKPSC Prelims 2016Paper-IIQ. 69 of 250
Q. 691 markMedium
UKPSC Prelims 2016·Paper-II
The average of 10 numbers was found to be 15. Later it was found that one number 36 was wrongly copied as 26. Correct average is
(a)20
(b)18
(c)16
(d)14
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The average of 10 numbers was found to be 15. Later it was found that one number 36 was wrongly copied as 26. Correct average is