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Average on Age
2 years ago
Just before birth of youngest children total age should be 90 because member was 9 before birth na... Sir pls explain
a year ago
child ka present average age 20 hai jabki uska real age 10 hai.so 10year uske faimly member ka age hai .so 10year pahle uske faimly ka kul age =200-90+10=100