Find out the wrong number in a given series.


Find the Wrong Number


Series: 263, 284, 393, 481, 482


Given Pattern : Second digit = First digit × Third digit


Pattern Check



  • 263 → 6 = 2 × 3 = 6 (True)

  • 284 → 8 = 2 × 4 = 8 (True)

  • 393 → 9 = 3 × 3 = 9 (True)

  • 481 → 8 ≠ 4 × 1 (=4) (False)

  • 482 → 8 = 4 × 2 = 8 (True)


Ans : Wrong number = 481


 āϭ⧁āϞ āϏāĻ‚āĻ–ā§āϝāĻžāĻŸā§‹ āĻŦāĻŋāϚāĻžā§° āϕ⧰āĻ•


āϧāĻžā§°āĻž: 263, 284, 393, 481, 482 


āĻĻāĻŋ⧟āĻž āύāĻŋ⧟āĻŽ : āĻĻā§āĻŦāĻŋāĻ¤ā§€ā§Ÿ āĻ…āĻ‚āĻ• = āĻĒā§ā§°āĻĨāĻŽ āĻ…āĻ‚āĻ• × āϤ⧃āĻ¤ā§€ā§Ÿ āĻ…āĻ‚āĻ•


āϧāĻžāĻĒ⧇-āϧāĻžāĻĒ⧇ āĻĒā§°ā§€āĻ•ā§āώāĻž 263 → 6 = 2 × 3 True



  • 263 → 6 = 2 × 3 = 6 (True)

  • 284 → 8 = 2 × 4 = 8 (True)

  • 393 → 9 = 3 × 3 = 9 (True)

  • 481 → 8 ≠ 4 × 1 (=4) (False)

  • 482 → 8 = 4 × 2 = 8 (True)


 āĻšā§‚ā§œāĻžāĻ¨ā§āϤ āωāĻ¤ā§āϤ⧰ : āϭ⧁āϞ āϏāĻ‚āĻ–ā§āϝāĻž = 481


Exam Tip: āĻāύ⧇ āĻĒā§ā§°āĻļā§āύāϤ āĻĒā§ā§°āĻĨāĻŽā§‡ āύāĻŋ⧟āĻŽ āϧ⧰āĻž → āϤāĻžā§° āĻĒāĻŋāĻ›āϤ āĻāϕ⧇ āĻāϕ⧇ āĻĒā§°ā§€āĻ•ā§āώāĻž āϕ⧰āĻŋāϞ⧇āχ āϭ⧁āϞ āϏāĻ‚āĻ–ā§āϝāĻžāĻŸā§‹ āĻ¤ā§ŽāĻ•ā§āώāĻŖāĻžā§Ž āĻĒā§‹ā§ąāĻž āϝāĻžā§Ÿ âœ”ī¸