Saturday, April 23, 2016

Pattern Recognition - 99

Find out the next two numbers in the series.
21,24,33,60,141,_ ,_ ,..........................


Answer

Tn+1 = Tn + 3 ^ n
24     =21 + 3 ^ 1
33     =24  +(3 ^2)    (3 ^2 means 3 * 3 =9)
66     =33 + (3^ 3)
141   =60  + (3^ 4)

Next two numbers 141 + (3^5) = 384
                           384 +(3 ^6) =1113


21,24,33,60,141, 384 , 1113 , ,..........................

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