Multiple choice

In the following number series a term is wrong. Find the wrong term in the series. 980 392 156.8 62.78 25.088 10.0352

  1. 10.0352

  2. 156.8

  3. 62.78

  4. 392

  5. 25.088
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pattern is multiply by 0.4 each time: 980 × 0.4 = 392, 392 × 0.4 = 156.8, 156.8 × 0.4 = 62.72, but the series has 62.78. The term 62.78 is wrong; it should be 62.72. Continuing: 62.72 × 0.4 = 25.088, and 25.088 × 0.4 = 10.0352.

Keep practicing — related questions