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
Answer:B
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