6 Persons standing in queue with different age group, after two years their average age will be 43 and seventh person joined with them. Hence the current average age has become 45. Find the age of seventh person?
a) 43
b) 69
c) 52
d) 31
Submitted by: Administratoravg age of 6 persons after 2 yrs will be 43,
hence present avge age of 6 persons should be 41, (= 246/6)
when 7th person has joined avg is 45, (=315/7)
hence 7th person's age will be (315- 246)= 69yrs.
Submitted by: Administrator
hence present avge age of 6 persons should be 41, (= 246/6)
when 7th person has joined avg is 45, (=315/7)
hence 7th person's age will be (315- 246)= 69yrs.
Submitted by: Administrator
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