Mathematics
Grade-4-
Easy

Question

Shelly did 8 sit-ups on Monday, 16 sit-ups on Tuesday, 32 sit-ups on Wednesday. If this pattern continues, the number of sit-ups will Shelly do on Thursday is

  1. 48    
  2. 96    
  3. 64    
  4. 128    

Hint:

In the question, we are required to identify the pattern to find the number of sit-ups that Shelly will do on Thursday. Here, the pattern is as follows:
number of sit-ups on a particular day = number of sit-ups on the previous day x 2

The correct answer is: 64


    Step by step solution:
    Given,
    number of sit-ups on Monday = 8
    number of sit-ups on Tuesday = 8 x 2 = 16 (given)
    number of sit-ups on Wednesday = 16 x 2 = 32 ( given)
    therefore, number of sit-ups on Thursday = 32 x 2 = 64
    Thus, on Thursday Shelly did 64 sit-ups.
    Hence, option(a) is the correct option.

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