Question
John reads 50 books in 6 months. At the same rate, number of books he will read in a year is ______________.
- 50
- 55
- 102
- 100
Hint:
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: 100
Here, it is given that John read 50 books in 6 months. We have to find the number of books he will read in a year.
We have,
Number of books read in 6 months = 50.
Number of books read in 1 month = 50/6.
Number of books read in a year = 50⁄6 × 12 = 100.
Hence, the correct option is D.
We can find the number of books read in 1 year by multiplying the number of books read in 6 months by 2.
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