[42] If the number of boys in a class are 8 times the number of girls, which value can never be the total

For Competitive Exams

If the number of boys in a class are 8 times the number of girls, which value can never be the total number of students?

Explanation:

Let the number of girls = x and the number of boys = 8x

Then, total number of students = x + 8x = 9x

i.e., the total number of students must be a multiple of 9

From the given choices, 42 cannot be a multiple of 9.

Hence, 42 cannot be the total number of students.

Additional Questions

Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed ?	Answer
A room has equal number of men and women. Eight women left the room, leaving twice as many men as women in the room . What was the total number of men and women present in the room initially?	Answer
4 + 3 × 9 = ?	Answer
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23 – [23 – {23 – (23 – 23 – 23)}]	Answer
98643 – 21748 = 51212 + ?	Answer
8.4 × 6.5 + 4.6 × 11.5 = ? ÷ 4	Answer

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