Ayesha's father was 42 years of age when she was born while her mother was 30 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?  Pick one
A) 12 years B) 14 years C) 16 years D) 17 years E) 6 years
Explanation:   Mother's age when Ayesha's brother was born = 30 years.   Father's age when Ayesha's brother was born = (42 + 4)= 
<gadget id="calculator">(42 + 4)</gadget>
<output>46</output>
46 years.   Required difference= (46 - 30)= 
<gadget id="calculator">(46 - 30)</gadget>
<output>16</output>
16 years.   Answer: Option 16 years
<result>C</result>
Ayesha's father was 42 years of age when she was born while her mother was 30 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?