Multiple choice

Directions: In the following number series, one number is wrong. Find out the wrong number. 2, 4, 12, 66, 420, 4620

  1. 12

  2. 66

  3. 420

  4. 4620

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

The series follows the pattern: 2*1+2=4, 4*2+4=12, 12*3+6=42, 42*4+8=176, 176*5+10=890. Alternatively, checking the given numbers, 66 is incorrect as the sequence should be 2, 4, 12, 42, 176, 890.