find next number
6,21,66,201,606,?
options 1.1010
2.2010
3.1640
4.1821
5.1782
6.2001
7.2060
8.1945
9.1879
10.2100

• 1821
  
  Multiply by 3 and add 3 to get next number
  6x3 + 3 = 21
  21x3 + 3= 66
  66x3 + 3= 201
  201x3 + 3= 606
  606x3 + 3= 1821
• 8 years agoHelpfull: Yes(0) No(0)