Multiple choice

Find the wrong number in the following number series. 465, 633, 775, 897, 993, 1065, 1113

  1. 465

  2. 633

  3. 993

  4. 775

  5. 1113

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Find the pattern in the number series 465, 633, 775, 897, 993, 1065, 1113. Calculate differences: 168, 142, 122, 96, 72, 48. Then second differences: -26, -20, -26, -24, -24. The pattern breaks at 775. The series should follow: starting from 465, add decreasing differences that follow a pattern. Checking: if 775 were correct, the pattern would be inconsistent. The correct number should be approximately 773 or another value that maintains the pattern.