Mother,her daughter and her grand child weighs 120 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?
Choices
A) 46  B) 47  C) 48  D) 49  E) 50
mother + daughter + child = 120kg   daughter + child = 60kg   mother = 120 - 60= 
<gadget id="calculator">120 - 60</gadget>
<output>60</output>
60kg   child= 1/5th of mother = (1/5)*60= 
<gadget id="calculator">(1/5)*60</gadget>
<output>12</output>
12kg   So now daughter= 120 -(mother + child) = 120 - (60+12)= 
<gadget id="calculator">120 - (60+12)</gadget>
<output>48</output>
48kg   ANSWER:48
<result>C</result>
Mother,her daughter and her grand child weighs 120 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?