MBA Exam

In ∆ABC, D is the midpoint of AC and E is the mid point of DC. BD and BE are joined. Point F divides BD in the ratio 1 : 2 and G divides EB in the ratio 1 : 2. What is the ratio of the area of (∆AFG + ∆BFG) to the area of ∆ABC?

1) 1 : 3
2) 1 : 4
3) 1 : 2
4) 3 : 2

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MBA Other Question
If x2, y2 and z2 are in A.P., then (y + z), (z + x), (x + y) are in

1) A.P.
2) G.P.
3) H.P.
4) None of these
 What is the mean of a^2, b^2 , c^2 .... If the mean of a,b,c is M and ab+bc+ca= 0

1) M^2
2) 3*M^2
3) 6*M^2
4) 9*M^2