Ayesha's father was 58 years of age when she was born while her mother was 42 years old when her brother four years younger to her was born. What is the difference between the ages of her parents? Answers:  A) 6  B) 40  C) 50  D) 10  E) 20
Mother's age when Ayesha's brother was born = 42 years.   Father's age when Ayesha's brother was born = (58 + 4)= 
<gadget id="calculator">(58 + 4)</gadget>
<output>62</output>
62 years.   Required difference= (62 - 42)= 
<gadget id="calculator">(62 - 42)</gadget>
<output>20</output>
20 years.   Answer:20
<result>E</result>
Ayesha's father was 58 years of age when she was born while her mother was 42 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?