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CBSE Notes 2011-2012

The A.M. of a set of 50 numbers is 38. If two numbers of the set namely 55 and 45 are discarded, the...

Multiple choice question

The A.M. of a set of 50 numbers is 38. If two numbers of the set namely 55 and 45 are discarded, the A.M. of the remaining set of numbers is

unknown

37.5

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38.5

unknown

36

unknown

37