Jansi’s age is one-sixth of her mother’s age. Jansi’s mother’s age will be two times of Lenin’s age after 10 years. If Lenin’s 8-th birthday was celebrated 2 years before, then what is Jansi’s current age? Pick one.
A) 2 years  B) 5 years  C) 7 years  D) 8 years  E) 9 years
B   5 years.   Lenin’s age after 10 years = (8 + 2 + 10)= 
<gadget id="calculator">(8 + 2 + 10)</gadget>
<output>20</output>
20 years   Jansi’s mom’s age after 10 years= 40 years.   Jansi’s mom’s current age = 30 years.   Therefore, Jansi’s age = (1/6)x 30 years   = 5 years.
<result>B</result>
Jansi’s age is one-sixth of her mother’s age. Jansi’s mother’s age will be two times of Lenin’s age after 10 years. If Lenin’s 8-th birthday was celebrated 2 years before, then what is Jansi’s current age?