Multiple choice

In the following number series only one number is wrong. Find out the wrong number 50 25 45 77.5 165

  1. 50

  2. 25

  3. 45

  4. 77.5

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The correct answer is B (25) because the pattern is: 50×0.5=25, 25×1.8=45, 45×1.72≈77.5, 77.5×2.13≈165. The number 25 doesn't fit - it should be higher to maintain the progression. The multipliers should increase gradually.

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