Aishwarya’s mom was 38 years of age at the time of her birth, while her mom was 36 years old when her 4 years younger sister was born. The variance between the parents ages is :	Choose the correct choice:
A) 6 years
B) 11 years
C) 10years
D) 9 years
E) 4 years
A   6 years   Mom’s age when Aishwarya’s sister was born = 36 years.   Dad’s age when Aishwarya’s sister was born = (38 + 4)= 
<gadget id="calculator">(38 + 4)</gadget>
<output>42</output>
42 years.   Needed Variance= (42 – 36) years = 6 years.
<result>A</result>
Aishwarya’s mom was 38 years of age at the time of her birth, while her mom was 36 years old when her 4 years younger sister was born. The variance between the parents ages is :