Aishwarya’s mom was 42 years of age at the time of her birth, while her mom was 32 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) 14 years C) 10years D) 9 years E) 4 years
B   14 years   Mom’s age when Aishwarya’s sister was born = 32 years.   Dad’s age when Aishwarya’s sister was born = (42 + 4)= 
<gadget id="calculator">(42 + 4)</gadget>
<output>46</output>
46 years.   Needed Variance= (46 – 32) years = 14 years.   Answer is 14 years
<result>B</result>
Aishwarya’s mom was 42 years of age at the time of her birth, while her mom was 32 years old when her 4 years younger sister was born. The variance between the parents ages is :