Maths-
General
Easy

Question

The number of different triangles formed by joining the points A, B, C, D, E, F and G as shown in the figure given below is

  1. 20    
  2. 24    
  3. 25    
  4. 30    

The correct answer is: 24


    No. of different triangles equals 7 subscript C subscript 3 end subscript end subscript minus 5 subscript C subscript 3 end subscript end subscript minus 3 subscript C subscript 3 end subscript end subscript equals 24

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