Multiple choice

The number of girls in a class is 6 times the number of boys. Which of the following options cannot be the total number of children in the class?

  1. 28

  2. 30

  3. 42

  4. 49

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let the number of boys be X. Then, the number of girls = 6 * X Total number of children = X + 6 * X = 7 * X So, the total number of students should be a multiple of 7. 30 is not a multiple of 7. So, it cannot be the total number of children in the class.

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