Multiple choice

Directions: In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number. 53, 58, 48, 63, 42, 68, 38

  1. 53

  2. 48

  3. 68

  4. 42

  5. 38
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The series follows a pattern of alternating operations: +5, -10, +15, -20, +25, -30. Starting from 53: 53+5=58, 58-10=48, 48+15=63, 63-20=43 (not 42), 43+25=68, 68-30=38. The number 42 is incorrect.

AI explanation

The series follows an alternating addition and subtraction pattern where the amount changes by 5. The pattern is +5, -10, +15, -20, +25, -30, making the sequence 53, 58, 48, 63, 43, 68, 38. Therefore, the number 42 is incorrect and should be 43. The result is 42.

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