there is a c..it had 14 digit number.condition was: u can use 3 consecutive number.. 3 or 4 values were given and the seventh position in credit card was x.you are asked to find the value of x..redit card

• In these kind of questions sum of three consecutive no. is given. Take 18 for instance.For the credit card, starting with the first no. x1+x2+x3=x2+x3+x4 => x1=x4.Use this logic to find X!
• 10 years agoHelpfull: Yes(2) No(1)
• answer will be 3
• 10 years agoHelpfull: Yes(1) No(2)
• Ayush can you plzz explain by taking any of your eg by assuming digits of credit card ....not getting what you have explained.
• 10 years agoHelpfull: Yes(1) No(0)
• anwr:16
  (36-x)^2-x^2=12^2,
  x=16
• 10 years agoHelpfull: Yes(0) No(9)