Mother,her daughter and her grand child weighs 160 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter? Select the correct option.
A) 46	B) 47	C) 48	D) 49	E) 40
mother + daughter + child = 160kg   daughter + child = 60kg   mother = 160 - 60= 
<gadget id="calculator">160 - 60</gadget>
<output>100</output>
100kg   child= 1/5th of mother = (1/5)*100= 
<gadget id="calculator">(1/5)*100</gadget>
<output>20</output>
20kg   So now daughter= 120 -(mother + child) = 160 - (100+20)= 
<gadget id="calculator">160 - (100+20)</gadget>
<output>40</output>
40kg   ANSW40R:40
<result>E</result>
Mother,her daughter and her grand child weighs 160 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?