Mathematics
Grade-4-
Easy

Question

The next number in this pattern is
Rule: Multiply by 2, then subtract 4
8, 12, 20, 36….

  1. 72    
  2. 68    
  3. 74    
  4. 78    

Hint:

In the given question, we are required to follow the rule given to find the next number in the series.

The correct answer is: 68


    Step by step solution:
    Rule: Multiply by 2, then subtract 4
    1st term: 8
    2nd term: 8 x 2 - 4 = 12 (given)
    3rd term: 12 x 2 - 4 = 20(given)
    4th term: 20 x 2 - 4 = 36 (given)
    5th term: 36 x 2 - 4 = 68
    Hence, option(c) is the correct option.

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