121, 225 361, __
a. 441
b. 484
c. 529
d. 729

• 11^2=121
  15^2=225
  19^2=361
  23^2=529
  c. 529
• 10 years agoHelpfull: Yes(0) No(0)
• 11*11=121
  11+4=15*15=225
  15+4=19*19=361
  19+4=23*23=529
  so answer is c.529
• 10 years agoHelpfull: Yes(0) No(0)
• c 529
  11*11=121
  +4
  15*15=225
  +4
  19*19=361
  +4
  23*23=529
• 8 years agoHelpfull: Yes(0) No(0)
• ans is c.529
  11²=121,15²=225,19²=361 similarly 23²=529.
• 8 years agoHelpfull: Yes(0) No(0)
• 11*11=121
  15*15=225
  19*19=361
  23*23= 529
• 7 years agoHelpfull: Yes(0) No(0)