Circular arrangement The main difference between circular & linear arrangement is the point of reference. ⇒ When clockwise ↻ & anticlockwise ↺ arrangement are different. Let there are 10 students & 10 chairs in a circle. For the...
Formation of Geometrical Figures ⦿ Number of straight lines from given n points:Given, there are ‘n’ points in a plain. no three of them are collinear, then number of straight lines is same as number...
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