What was the respective ratio of the number of girls enrolled in school C in the year 2007 to the total number of girls enrolled in school A and school B together in the same year?

11:3

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3:11

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4:11

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4:7

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None of these

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Solution

The correct option is C 4:11
Required ratio = 20 :(25+30)
=20:55 = 4:11

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Convert the given statement into ordinary language:-

The number of girls enrolled in a school last year was g. The number of girls enrolled this year in the school is 3g - 10.

Question 84

Convert the given statement into ordinary language:-

The number of girls enrolled in a school last year was g. The number of girls enrolled this year in the school is 3g - 10.

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