What is the next number in pattern 3,12,21,39,75,138,237

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2 Answers

714 is next number in sequence
by Level 1 User (340 points)
3X12=36 IN THIS ADD THE FIRST NUMBER OF SEQUENCE , 36+3=39,

3X21=63 IN THIS ADD THE SECOND NUMBER OF SEQUENCE, 63+12=75,

3x39=117 in this add the third number of sequence, 117+ 21=138,

3x75=225 in this add second number of sequence, remember now the pattern of multiplication is reversing

so 225+12=237

3x237=711 in this add first number of sequence, remember the sequence for pattern of multiolication is reversing so 711+3=714.........

 

714 is the answer .............now u r happy
by Level 1 User (340 points)

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