Multiple choice

In the following number series only one number is wrong. Find out the wrong number.\newline 48\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp 72\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp 108\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp 162\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp 243\nbsp\nbsp\nbsp\nbsp\nbsp\nbsp 366

  1. 72

  2. 108

  3. 162

  4. 243

  5. 366
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E Correct answer
Explanation

The pattern is ×1.5 throughout: 48×1.5=72, 72×1.5=108, 108×1.5=162, 162×1.5=243. Following this pattern, 243×1.5=364.5, not 366. Therefore 366 is the wrong number that breaks the geometric progression.

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