Multiple choice

Directions: A number series is given below, in which only one number is wrong. Find out the wrong number. 157.5 45 15 6 3 2 1

  1. 1

  2. 2

  3. 6

  4. 157.5

  5. 45
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A Correct answer
Explanation

The series follows a pattern of division by 3.5, 3, 2.5, 2, 1.5, 1. Starting from 157.5: 157.5/3.5 = 45; 45/3 = 15; 15/2.5 = 6; 6/2 = 3; 3/1.5 = 2; 2/1 = 2. The last term should be 2, but it is 1.

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