Mathematics
Grade6
Easy

Question

John is an avid reader. He devours 90 pages in half an hour. He can read ________ pages in 5 minutes.

  1. 5
  2. 4
  3. 8
  4. 15

hintHint:

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

The correct answer is: 15


    Here, it is given that John reads 90 pages in half hour. We have to find the number of pages he reads in 5 minutes.
    Number of pages read in 30 minutes = 90.
    Number of pages read in 1 minute = 90/30 = 3.
    Number of pages read in 5 minutes = 3×5 = 15. 
    Hence, the correct option is D.

    We can find the number of pages read in 5 minutes by simply dividing the number of pages read in 30 minutes by 6.

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