3,7,12,18,25..............9th terms

• 63.
  Add 4,5,6,7...... to the previous term.
• 12 years agoHelpfull: Yes(1) No(0)
• ans 63
  3+4=7
  7+5=12
  12+6=18
  18+7=25
  25+8=33
  33+9=42
  42+10=52
  52+11=63
• 12 years agoHelpfull: Yes(1) No(0)