My father was 28 years older than my brother and my mother was 23 years elder than my sister when I was born. If my brother is 10 years older than me and my mother is 4 years younger than my father, how old was my sister when I was born?
When I was born, my brother was 10 year old,
My father's age is 10 + 28 = 38 yrs. old
My Mother's age is 38 - 4 = 34 years old and my sister's age is 34 - 23 = 11 year old
Hence the answer is 11 years.
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