Suppose son name is 120,his brother name is 150 and his mother name is 170.find out his father's name??? Choose the correct choice:  A) 190  B) 200  C) 230  D) 240  E) 250
since difference between all name is =30   so father's name will be  170+30= 
<gadget id="calculator"> 170+30</gadget>
<output>200</output>
200.   ANSWER:200
<result>B</result>
Suppose son name is 120,his brother name is 150 and his mother name is 170.find out his father's name???