What is the 4 digit number whose second digit is thrice the first digit and 3rd digit is sum of 1st and 2nd and last digit is thrice the second digit.
1. 2674
2. 1349
3. 3343
4. 3678

• (2)1349
  check the options which satisfy the condition.
• 12 years agoHelpfull: Yes(7) No(1)
• let four digits is a,b,c&d ...so by given
  b is 3a
  c is 4a
  d is 9a so
  ans is 1349
• 13 years agoHelpfull: Yes(6) No(3)
• check through option
  ans 2
• 10 years agoHelpfull: Yes(0) No(0)
• 2nd is d ans.
• 10 years agoHelpfull: Yes(0) No(0)