When Rahul was born, his father was 35 years older than his brother and his mother was 27 years older than his sister. If Rahul's brother is 6 years older than him and his mother is 3 years younger than his father, how old was Rahul's sister when he was born ? Choose the correct choice from the following choices.
A) 10 years B) 11 years C) 9 years D) 8 years E) 7 years
When Rahul was born, his brother's age = 6 years; his father's age = (6 + 35)= 
<gadget id="calculator">(6 + 35)</gadget>
<output>41</output>
41 years,   his mother's age= (41 - 3)= 
<gadget id="calculator">(41 - 3)</gadget>
<output>38</output>
38 years;   his sister's age= (38 - 27)= 
<gadget id="calculator">(38 - 27)</gadget>
<output>11</output>
11 years.   Answer: Option 11 years
<result>B</result>
When Rahul was born, his father was 35 years older than his brother and his mother was 27 years older than his sister. If Rahul's brother is 6 years older than him and his mother is 3 years younger than his father, how old was Rahul's sister when he was born ?