Indian Institute of Foreign Trade 2018 Solved Paper

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Question : 97 of 114
 
Marks: +1, -0
P.....Q
R.....S
T.....U
V.....W
Using 5 dots in each of the lines PQ, RS, TU and VW as the vertices, how many triangles can be drawn such that the base is on any one of the above lines?
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