Saturday, October 17, 2015

Pattern Recognition - 72

3, 24 , 63, ? , 195

What number should replace the question mark?


Answer

3  = (2 * 2) -1

24 = (5 *5) -1

63 =(8 *8) -1

Next number  (11 * 11) -1 =120

(14 * 14 ) -1 = 195


Missing number - 120
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