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    Mathematics
    Grade-4-
    Easy

    Question

    Can you complete the given series in both directions?
    ____, ____, ____, 130, 140, 150, ____, ____, ____, ____.

    1. 100, 110, 120, 160, 170, 180, 190    
    2. 170, 160, 180, 200    
    3. 200, 190, 180, 170, 120, 110, 100    
    4. 170, 160, 150, 140, 130, 120, 110    

    hintHint:

    In the question, we are required to identify the pattern in the series to find the missing terms in the given series.

    The correct answer is: 100, 110, 120, 160, 170, 180, 190

      Step by step solution:
      it can be clearly seen that the given series is an increasing progression with a common difference 10.
      Thus, the term preceding 130 = 130 - 10 = 120
      the term preceding 120 = 120 - 10 = 110
      the term succeeding 110 = 110 - 10 = 100
      the term after 150 = 150 + 10 = 160
      the term after 160 = 160 + 10 = 170
      the term after 170 = 170 + 10 = 180
      the term after 180 = 180 + 10 = 190
      Thus, the series is as follows:
      100, 110, 120, 130, 140, 150, 160, 170, 180, 190
      therefore, the missing terms are 100, 110, 120, 160, 170, 180, 190
      hence, option(d) is the correct option.

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