Mathematics
Grade-4-
Easy

Question

Complete the given series in both directions.
____ ____ 150, 200 ___ ___ 350 ___

  1. 100, 200, 300, 400, 500    
  2. 50, 100, 250, 300, 400    
  3. 50, 75, 100, 125, 150, 175    
  4. 50, 100, 150, 170, 200    

Hint:

In the given question, we are required to identify the pattern and fill in the blanks.

The correct answer is: 50, 100, 250, 300, 400


    Step by step solution:
    150 + 50 = 200
    So, the series might be numbers that have a difference of 50 kin an increasing order.
    ____ ____ 150, 200 ___ ___ 350 ___
    We have got two blanks before 150, so the first term will be 150 - 100 = 50
    second term, 50 + 50 = 100
    third term, 100 + 50 = 150 (given)
    fourth term, 150 + 50 = 200 (given)
    fifth term, 200 + 50 = 250
    sixth term 250 + 50 = 300
    seventh term,  300 + 50 = 350
    eighth term, 350 + 50 = 400
    Thus, the series is 50, 100, 150, 200, 250, 300, 350, 400
    Thus, the missing terms are 50, 100, 250, 300, 400.
    Hence, option(a) is the correct option.

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