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If the arithmetic mean of seventy-five numbers is calculated, it is 35. If each number is increased by 5, then mean of new number is

(a) 30             (b) 40            (c) 70            (d) 90



Question ID - 50793 | SaraNextGen Top Answer

If the arithmetic mean of seventy-five numbers is calculated, it is 35. If each number is increased by 5, then mean of new number is

(a) 30             (b) 40            (c) 70            (d) 90

1 Answer
127 votes
Answer Key / Explanation : (b) -

A.M. of 75 numbers =35. Sum of 75 numbers

=

 Total increase =Increased sum =

Increased average =

127 votes


127