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The number of boys in a class is three times the...

This question belongs to Competitive Reasoning Arithmetic Reasoning
Arithmetic Reasoning
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The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?

Answer & Solution
Correct Answer: Option C
Let number of girls = x and number of boys = 3x.
Then, 3x + x = 4x = total number of students.
Thus, to find exact value of x, the total number of students must be divisible by 4.
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Karan Bista
Karan Bista 5 years ago
Sir 42 is not divisible by 4
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