Multiple choice

Directions: The underlined part of the sentence below may have some errors. Five options are given below the sentence. Choose the option that improves the sentence. If the sentence has no error, choose option 5 as your answer.

As technological capabilities improved and life expectancy increased, the numbers of children per family went down, demonstrating the fact that nature keeps on balancing the population figure.

  1. the numbers of children per family went down, is demonstrating the fact that nature keeps on balancing the population figure

  2. the number of children per family went down, demonstrates the fact that nature keeps on balancing the population figure

  3. the number of children per family went down, demonstrating fact that nature keeps on balancing the population figure

  4. the number of children per family went down, demonstrating the fact that nature keeps on balancing the population figure

  5. No improvement required
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Here, singular 'number' rectifies the error of plural 'numbers'. 'Numbers' means 'verses' or 'poetry' which does not fit in the framework of the meaning of the original sentence. 'Number' means 'counting' and it fits in the framework of the meaning of original sentence.

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