CAT
Exam
Category
AVEARGE AGE OF 9 ITEMS IS 79.IF ONE NEW ITEM IS 59 IS ALSO INCLUDED IN THE SERIES ,FIND THE AVERAGE OF ALL THE 10 ITEMS?
Read Solution (Total 2)
-
- Total age of 9 items = 9*79= 711
After adding a new item, total age = 711+59=770
Average of 10 items = 770/10= 77 - 8 years agoHelpfull: Yes(1) No(0)
- solving gives 86
- 8 years agoHelpfull: Yes(0) No(0)
CAT Other Question