The sum of the ages 4 members of a family 5years ago was 94.Today,when the daughter has been married off and replaced by a daughter-in-law,the sum of their ages is 100.Assuming that there has been no other change in the family structure and all members are alive,what is the difference in the ages of daughter and daughter-in-law ?  Answers:
A) 22 B) 11 C) 25 D) 14 E) 16
Solution:sum of ages of 4 members 5 years ago=94   =&gt;sum of present ages of 4 members=94+ 4*5= 
<gadget id="calculator">94+ 4*5</gadget>
<output>114</output>
114   14ifference in the sum of the ages=14ifference in the ages of daughter and daughter-in-law   14ifference in the sum of the ages=114-100= 
<gadget id="calculator">114-100</gadget>
<output>14</output>
14=&gt;14ifference in the ages of daughter and daughter-in-law=14   Answer 14
<result>D</result>
The sum of the ages 4 members of a family 5years ago was 94.Today,when the daughter has been married off and replaced by a daughter-in-law,the sum of their ages is 100.Assuming that there has been no other change in the family structure and all members are alive,what is the difference in the ages of daughter and daughter-in-law ?