The average marks scored by Ganesh in English, Science, Mathematics and History is less than 17 from that scored by him in English, History, Geography and Mathematics. What is the difference of marks in Science and Geography scored by him?
Choices:	A) 40	B) 50	C) 60	D) 68	E) None of these
E+H+G+M/4âˆ’E+S+M+H/4=17   â‡’ G - S = 68   Answer 68
<result>D</result>
The average marks scored by Ganesh in English, Science, Mathematics and History is less than 17 from that scored by him in English, History, Geography and Mathematics. What is the difference of marks in Science and Geography scored by him?