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					 Suppose that the medians BD, CE and AF of a triangle ABC meet at G. Then AG : GF is
 
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                        -  1 : 2 
 
-   2 : 1 
 
-   1 : 3 
 
- 2 : 3
 
-  1 : 2 
Correct Option: B
We draw a figure triangle ABC whose the medians BD, CE and AFmeet at point G , 
Point G is the centroid of ∆ ABC. 
Point G divides AF (each median) in the ratio 2 : 1. 
Proof :-
Reflect ∆ ABC on side AC.
ABCB1 is a parallelogram. 
BEB1 is a straight line. and 
∵ CD = AD, and CD || AD1 
DCD1A is a parallelogram. 
DG || CG1 
∵ BD = DC and DG || CG, and BG = GG1 
∴ BG : GG1 = 1 : 1 
∵ GE = EG1, BG = GE = 2 : 1 
 
	