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
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
A.M. of 75 numbers =35. Sum of 75 numbers
=
Total increase =Increased sum =
Increased average =