I am the first on Earth , the second in Heaven . I appear two times in a week you can only see me once in a year . Although I am in the middle of the sea , l am not found in month , but l am in February , June , September , October , November & December . What am I ?
My brother is 4 times as old as I am today . In 5 years time he will be twice as old as I will be . What will my age be in 10 years time ?